Finding the Third Proportional to 122,801,468.50 and 268,676,516

Step by Step Solution

1. Step 1: Write the proportion equation
   122,801,468.50 : 268,676,516 = 268,676,516 : x
2. Step 2: Convert to fraction form
   122,801,468.50/268,676,516 = 268,676,516/x
3. Step 3: Cross multiply
   122,801,468.50x = 268,676,516 × 268,676,516
4. Step 4: Simplify right side
   122,801,468.50x = 72,187,070,249,898,256
5. Step 5: Solve for x
   x = 72,187,070,249,898,256/122,801,468.50
6. Step 6: Final answer
   x = 587,835,562.00