Finding the Third Proportional to 90,492.50 and 198,754

Step by Step Solution

1. Step 1: Write the proportion equation
   90,492.50 : 198,754 = 198,754 : x
2. Step 2: Convert to fraction form
   90,492.50/198,754 = 198,754/x
3. Step 3: Cross multiply
   90,492.50x = 198,754 × 198,754
4. Step 4: Simplify right side
   90,492.50x = 39,503,152,516
5. Step 5: Solve for x
   x = 39,503,152,516/90,492.50
6. Step 6: Final answer
   x = 436,535.10