Finding the Third Proportional to 147,345,525 and 320,831,626.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,345,525 : 320,831,626.50 = 320,831,626.50 : x
2. Step 2: Convert to fraction form
   147,345,525/320,831,626.50 = 320,831,626.50/x
3. Step 3: Cross multiply
   147,345,525x = 320,831,626.50 × 320,831,626.50
4. Step 4: Simplify right side
   147,345,525x = 102,932,932,562,635,504
5. Step 5: Solve for x
   x = 102,932,932,562,635,504/147,345,525
6. Step 6: Final answer
   x = 698,582,006.90