Yes, you can use the custom email notification feature for that, as by default the first email in the Contact Information question will be captured by the system and for the second email, you can store the email in a custom field and then add that custom field inside the To section to be sent out by creating a Custom email notification.
Refer screenshot to store the email in custom - https://app.screencast.com/cFFUFsVHeRxj2
Refer screenshot for the custom email settings - https://app.screencast.com/MplOYTNH1F90c