Finding the Third Proportional to 99,948,981.50 and 222,866,446

Step by Step Solution

1. Step 1: Write the proportion equation
   99,948,981.50 : 222,866,446 = 222,866,446 : x
2. Step 2: Convert to fraction form
   99,948,981.50/222,866,446 = 222,866,446/x
3. Step 3: Cross multiply
   99,948,981.50x = 222,866,446 × 222,866,446
4. Step 4: Simplify right side
   99,948,981.50x = 49,669,452,752,670,912
5. Step 5: Solve for x
   x = 49,669,452,752,670,912/99,948,981.50
6. Step 6: Final answer
   x = 496,948,062.97