Finding the Third Proportional to 62,479.69 and 137,123.72

Step by Step Solution

1. Step 1: Write the proportion equation
   62,479.69 : 137,123.72 = 137,123.72 : x
2. Step 2: Convert to fraction form
   62,479.69/137,123.72 = 137,123.72/x
3. Step 3: Cross multiply
   62,479.69x = 137,123.72 × 137,123.72
4. Step 4: Simplify right side
   62,479.69x = 18,802,914,243.83
5. Step 5: Solve for x
   x = 18,802,914,243.83/62,479.69
6. Step 6: Final answer
   x = 300,944.43