Finding the Third Proportional to 88,909.50 and 209,874

Step by Step Solution

1. Step 1: Write the proportion equation
   88,909.50 : 209,874 = 209,874 : x
2. Step 2: Convert to fraction form
   88,909.50/209,874 = 209,874/x
3. Step 3: Cross multiply
   88,909.50x = 209,874 × 209,874
4. Step 4: Simplify right side
   88,909.50x = 44,047,095,876
5. Step 5: Solve for x
   x = 44,047,095,876/88,909.50
6. Step 6: Final answer
   x = 495,414.95