Finding the Third Proportional to 62,866,300.50 and 137,419,686

Step by Step Solution

1. Step 1: Write the proportion equation
   62,866,300.50 : 137,419,686 = 137,419,686 : x
2. Step 2: Convert to fraction form
   62,866,300.50/137,419,686 = 137,419,686/x
3. Step 3: Cross multiply
   62,866,300.50x = 137,419,686 × 137,419,686
4. Step 4: Simplify right side
   62,866,300.50x = 18,884,170,100,338,596
5. Step 5: Solve for x
   x = 18,884,170,100,338,596/62,866,300.50
6. Step 6: Final answer
   x = 300,386,215.67