How to do Approval Process using Share Point Sequential work

Question

How to do Approval Process using Share Point Sequential workflow vs 2010 ?

I have Created Two Lists

List 1 and List 2

In List 1 I have Title and Status(Pending, Approved and Reject),Default value is Pending.

 

In List 2 Have same Columns.

Now,

In List 1 I have inserted data and My Workflow will started--->Data will Move in List 2...here In List 1 the Status is On Pending (waiting for Approval from List 2)

In List 2 Date has come from List 1 and Status is pending . In List 2 My workflow will started the Status will goes Approved and 

In List 1 the  Status field also update(Pending To Approved)

Please Help i need .....