Finding the Third Proportional to 57,265.50 and 85,633.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,265.50 : 85,633.75 = 85,633.75 : x
2. Step 2: Convert to fraction form
   57,265.50/85,633.75 = 85,633.75/x
3. Step 3: Cross multiply
   57,265.50x = 85,633.75 × 85,633.75
4. Step 4: Simplify right side
   57,265.50x = 7,333,139,139.06
5. Step 5: Solve for x
   x = 7,333,139,139.06/57,265.50
6. Step 6: Final answer
   x = 128,055.10