Finding the Third Proportional to 83,760.88 and 129,529.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,760.88 : 129,529.50 = 129,529.50 : x
2. Step 2: Convert to fraction form
   83,760.88/129,529.50 = 129,529.50/x
3. Step 3: Cross multiply
   83,760.88x = 129,529.50 × 129,529.50
4. Step 4: Simplify right side
   83,760.88x = 16,777,891,370.25
5. Step 5: Solve for x
   x = 16,777,891,370.25/83,760.88
6. Step 6: Final answer
   x = 200,307.02