Finding the Third Proportional to 62,308.50 and 137,078

Step by Step Solution

1. Step 1: Write the proportion equation
   62,308.50 : 137,078 = 137,078 : x
2. Step 2: Convert to fraction form
   62,308.50/137,078 = 137,078/x
3. Step 3: Cross multiply
   62,308.50x = 137,078 × 137,078
4. Step 4: Simplify right side
   62,308.50x = 18,790,378,084
5. Step 5: Solve for x
   x = 18,790,378,084/62,308.50
6. Step 6: Final answer
   x = 301,570.06