Finding the Third Proportional to 61,509.38 and 88,877.25

Step by Step Solution

1. Step 1: Write the proportion equation
   61,509.38 : 88,877.25 = 88,877.25 : x
2. Step 2: Convert to fraction form
   61,509.38/88,877.25 = 88,877.25/x
3. Step 3: Cross multiply
   61,509.38x = 88,877.25 × 88,877.25
4. Step 4: Simplify right side
   61,509.38x = 7,899,165,567.56
5. Step 5: Solve for x
   x = 7,899,165,567.56/61,509.38
6. Step 6: Final answer
   x = 128,422.14