Finding the Third Proportional to 57,433,186.50 and 122,939,499

Step by Step Solution

1. Step 1: Write the proportion equation
   57,433,186.50 : 122,939,499 = 122,939,499 : x
2. Step 2: Convert to fraction form
   57,433,186.50/122,939,499 = 122,939,499/x
3. Step 3: Cross multiply
   57,433,186.50x = 122,939,499 × 122,939,499
4. Step 4: Simplify right side
   57,433,186.50x = 15,114,120,414,371,000
5. Step 5: Solve for x
   x = 15,114,120,414,371,000/57,433,186.50
6. Step 6: Final answer
   x = 263,160,053.19