Finding the Third Proportional to 88,775.50 and 124,870

Step by Step Solution

1. Step 1: Write the proportion equation
   88,775.50 : 124,870 = 124,870 : x
2. Step 2: Convert to fraction form
   88,775.50/124,870 = 124,870/x
3. Step 3: Cross multiply
   88,775.50x = 124,870 × 124,870
4. Step 4: Simplify right side
   88,775.50x = 15,592,516,900
5. Step 5: Solve for x
   x = 15,592,516,900/88,775.50
6. Step 6: Final answer
   x = 175,639.87