Finding the Third Proportional to 38,862.75 and 69,730.13

Step by Step Solution

1. Step 1: Write the proportion equation
   38,862.75 : 69,730.13 = 69,730.13 : x
2. Step 2: Convert to fraction form
   38,862.75/69,730.13 = 69,730.13/x
3. Step 3: Cross multiply
   38,862.75x = 69,730.13 × 69,730.13
4. Step 4: Simplify right side
   38,862.75x = 4,862,290,332.52
5. Step 5: Solve for x
   x = 4,862,290,332.52/38,862.75
6. Step 6: Final answer
   x = 125,114.42