Finding the Third Proportional to 80,813,610 and 123,238,149

Step by Step Solution

1. Step 1: Write the proportion equation
   80,813,610 : 123,238,149 = 123,238,149 : x
2. Step 2: Convert to fraction form
   80,813,610/123,238,149 = 123,238,149/x
3. Step 3: Cross multiply
   80,813,610x = 123,238,149 × 123,238,149
4. Step 4: Simplify right side
   80,813,610x = 15,187,641,368,946,200
5. Step 5: Solve for x
   x = 15,187,641,368,946,200/80,813,610
6. Step 6: Final answer
   x = 187,934,202.78