// dismiss your   view controller 2
[self dismissViewControllerAnimated:YES completion:^{

  //I am not sure the following line will work for dismiss the  view controller1
  [self.presentingViewController dismissViewControllerAnimated:YES completion:nil];

    // present your   view controller 3
    [[UIApplication sharedApplication].keyWindow.rootViewController presentViewController:videoPlay animated:YES completion:NULL];
}];

// dismiss your   view controller 2 and  view controller 2
[self.presentingViewController.presentingViewController dismissViewControllerAnimated:YES completion:^{


    // present your   view controller 3
    [[UIApplication sharedApplication].keyWindow.rootViewController presentViewController:videoPlay animated:YES completion:NULL];
}];