You now have 3 export options in Reports. Export to Excel, CSV or Google Drive. To export to Google Drive, click on the Export tab next to the report. Click on Google Drive.
A separate window will open up, asking which Google account you wish to open to. If you have not already signed into Google, you may be asked to. Once you have signed in or chosen your account, you will need to allow access.
After you have allowed access, the report will be uploaded into your Google Drive. This will not open automatically. You will need to open up your Google Drive in order to view the exported report.