Finding the Third Proportional to 40,129.75 and 59,616.88

Step by Step Solution

1. Step 1: Write the proportion equation
   40,129.75 : 59,616.88 = 59,616.88 : x
2. Step 2: Convert to fraction form
   40,129.75/59,616.88 = 59,616.88/x
3. Step 3: Cross multiply
   40,129.75x = 59,616.88 × 59,616.88
4. Step 4: Simplify right side
   40,129.75x = 3,554,171,784.77
5. Step 5: Solve for x
   x = 3,554,171,784.77/40,129.75
6. Step 6: Final answer
   x = 88,567.01