Finding the Third Proportional to 88,779.50 and 124,874

Step by Step Solution

1. Step 1: Write the proportion equation
   88,779.50 : 124,874 = 124,874 : x
2. Step 2: Convert to fraction form
   88,779.50/124,874 = 124,874/x
3. Step 3: Cross multiply
   88,779.50x = 124,874 × 124,874
4. Step 4: Simplify right side
   88,779.50x = 15,593,515,876
5. Step 5: Solve for x
   x = 15,593,515,876/88,779.50
6. Step 6: Final answer
   x = 175,643.20