Finding the Third Proportional to 59,940 and 87,744

Step by Step Solution

1. Step 1: Write the proportion equation
   59,940 : 87,744 = 87,744 : x
2. Step 2: Convert to fraction form
   59,940/87,744 = 87,744/x
3. Step 3: Cross multiply
   59,940x = 87,744 × 87,744
4. Step 4: Simplify right side
   59,940x = 7,699,009,536
5. Step 5: Solve for x
   x = 7,699,009,536/59,940
6. Step 6: Final answer
   x = 128,445.27