Finding the Third Proportional to 57,262.50 and 89,165.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,262.50 : 89,165.75 = 89,165.75 : x
2. Step 2: Convert to fraction form
   57,262.50/89,165.75 = 89,165.75/x
3. Step 3: Cross multiply
   57,262.50x = 89,165.75 × 89,165.75
4. Step 4: Simplify right side
   57,262.50x = 7,950,530,973.06
5. Step 5: Solve for x
   x = 7,950,530,973.06/57,262.50
6. Step 6: Final answer
   x = 138,843.59