Finding the Third Proportional to 438,974,782.50 and 597,910,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   438,974,782.50 : 597,910,522.50 = 597,910,522.50 : x
2. Step 2: Convert to fraction form
   438,974,782.50/597,910,522.50 = 597,910,522.50/x
3. Step 3: Cross multiply
   438,974,782.50x = 597,910,522.50 × 597,910,522.50
4. Step 4: Simplify right side
   438,974,782.50x = 357,496,992,916,222,976
5. Step 5: Solve for x
   x = 357,496,992,916,222,976/438,974,782.50
6. Step 6: Final answer
   x = 814,390,728.51