Finding the Third Proportional to 59,167.13 and 128,540.25

Step by Step Solution

1. Step 1: Write the proportion equation
   59,167.13 : 128,540.25 = 128,540.25 : x
2. Step 2: Convert to fraction form
   59,167.13/128,540.25 = 128,540.25/x
3. Step 3: Cross multiply
   59,167.13x = 128,540.25 × 128,540.25
4. Step 4: Simplify right side
   59,167.13x = 16,522,595,870.06
5. Step 5: Solve for x
   x = 16,522,595,870.06/59,167.13
6. Step 6: Final answer
   x = 279,252.98