Finding the Third Proportional to 115,961,428.50 and 248,522,388

Step by Step Solution

1. Step 1: Write the proportion equation
   115,961,428.50 : 248,522,388 = 248,522,388 : x
2. Step 2: Convert to fraction form
   115,961,428.50/248,522,388 = 248,522,388/x
3. Step 3: Cross multiply
   115,961,428.50x = 248,522,388 × 248,522,388
4. Step 4: Simplify right side
   115,961,428.50x = 61,763,377,337,222,544
5. Step 5: Solve for x
   x = 61,763,377,337,222,544/115,961,428.50
6. Step 6: Final answer
   x = 532,620,011.12