1. After matching gift is made, a MG pledge balance will show in the constituents gift record who originally gave the gift since the matching gift from the Organization usually arrives later. 
2. Once money is received from the organization, you will enter the gift as cash in the organizations record. Apply to same fund and campaign if necessary.
3. Then apply the gift to the matching gift pledge
4. Once the cash gift from the organization is applied to the MG Pledge, the pledge balance from the original constituents record will zero out.