Finding the Third Proportional to 63,418.50 and 88,665.75

Step by Step Solution

1. Step 1: Write the proportion equation
   63,418.50 : 88,665.75 = 88,665.75 : x
2. Step 2: Convert to fraction form
   63,418.50/88,665.75 = 88,665.75/x
3. Step 3: Cross multiply
   63,418.50x = 88,665.75 × 88,665.75
4. Step 4: Simplify right side
   63,418.50x = 7,861,615,223.06
5. Step 5: Solve for x
   x = 7,861,615,223.06/63,418.50
6. Step 6: Final answer
   x = 123,964.07