Finding the Third Proportional to 59,656.50 and 129,863.25

Step by Step Solution

1. Step 1: Write the proportion equation
   59,656.50 : 129,863.25 = 129,863.25 : x
2. Step 2: Convert to fraction form
   59,656.50/129,863.25 = 129,863.25/x
3. Step 3: Cross multiply
   59,656.50x = 129,863.25 × 129,863.25
4. Step 4: Simplify right side
   59,656.50x = 16,864,463,700.56
5. Step 5: Solve for x
   x = 16,864,463,700.56/59,656.50
6. Step 6: Final answer
   x = 282,692.81