Finding the Third Proportional to 57,863,848.50 and 123,781,149

Step by Step Solution

1. Step 1: Write the proportion equation
   57,863,848.50 : 123,781,149 = 123,781,149 : x
2. Step 2: Convert to fraction form
   57,863,848.50/123,781,149 = 123,781,149/x
3. Step 3: Cross multiply
   57,863,848.50x = 123,781,149 × 123,781,149
4. Step 4: Simplify right side
   57,863,848.50x = 15,321,772,847,760,200
5. Step 5: Solve for x
   x = 15,321,772,847,760,200/57,863,848.50
6. Step 6: Final answer
   x = 264,790,076.10