Finding the Third Proportional to 59,116.88 and 129,730.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,116.88 : 129,730.69 = 129,730.69 : x
2. Step 2: Convert to fraction form
   59,116.88/129,730.69 = 129,730.69/x
3. Step 3: Cross multiply
   59,116.88x = 129,730.69 × 129,730.69
4. Step 4: Simplify right side
   59,116.88x = 16,830,051,279.22
5. Step 5: Solve for x
   x = 16,830,051,279.22/59,116.88
6. Step 6: Final answer
   x = 284,691.15