Finding the Third Proportional to 320,877,389.25 and 703,269,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   320,877,389.25 : 703,269,076.50 = 703,269,076.50 : x
2. Step 2: Convert to fraction form
   320,877,389.25/703,269,076.50 = 703,269,076.50/x
3. Step 3: Cross multiply
   320,877,389.25x = 703,269,076.50 × 703,269,076.50
4. Step 4: Simplify right side
   320,877,389.25x = 494,587,393,961,162,880
5. Step 5: Solve for x
   x = 494,587,393,961,162,880/320,877,389.25
6. Step 6: Final answer
   x = 1,541,359,442.99