Finding the Third Proportional to 59,655 and 128,651.25

Step by Step Solution

1. Step 1: Write the proportion equation
   59,655 : 128,651.25 = 128,651.25 : x
2. Step 2: Convert to fraction form
   59,655/128,651.25 = 128,651.25/x
3. Step 3: Cross multiply
   59,655x = 128,651.25 × 128,651.25
4. Step 4: Simplify right side
   59,655x = 16,551,144,126.56
5. Step 5: Solve for x
   x = 16,551,144,126.56/59,655
6. Step 6: Final answer
   x = 277,447.73