Finding the Third Proportional to 59,225.25 and 129,522.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,225.25 : 129,522.75 = 129,522.75 : x
2. Step 2: Convert to fraction form
   59,225.25/129,522.75 = 129,522.75/x
3. Step 3: Cross multiply
   59,225.25x = 129,522.75 × 129,522.75
4. Step 4: Simplify right side
   59,225.25x = 16,776,142,767.56
5. Step 5: Solve for x
   x = 16,776,142,767.56/59,225.25
6. Step 6: Final answer
   x = 283,259.97