Answer:
1.
Budgetary fund balance reserved for encumbrances (DR)  $7,200,000
Encumbrances-Capital Project (CR)  $7,200,000
2.
Cash (DR)  $1,200,000
Government Grant (CR)  $1,200,000
3.
Cash (DR)  $6,000,000
Bonds Payable (CR)  $6,000,000
Explanation:
1. The Budgetary entry for encumbrance is given as follows :  
Budgetary fund balance reserved for encumbrances (DR)  $7,200,000
Encumbrances-Capital Project (CR)  $7,200,000
2. The government grant received will be recorded as :
Cash (DR)  $1,200,000
Government Grant (CR)  $1,200,000
3. The Issuance of Bonds needs to be recorded in the journal ledger as : 
Cash (DR)  $6,000,000
Bonds Payable (CR)  $6,000,000