How to create approval rule that will hardcode the 2nd approver

Summary:

Our current Approval rule for Expense and Cash Advance is the Supervisor Hierarchy but new requirement need us to have a default 2nd approver if the first approver is reporting to an specific approver.

Example.

If 1st approver X is directly reporting to Y, instead of 'Y' as the 2nd approver, it should be defaulted to approver 'Z'

Content (required):

Version (include the version you are using, if applicable):

23C

Code Snippet (add any code snippets that support your topic, if applicable):