Finding the Third Proportional to 90,142.50 and 192,350

Step by Step Solution

1. Step 1: Write the proportion equation
   90,142.50 : 192,350 = 192,350 : x
2. Step 2: Convert to fraction form
   90,142.50/192,350 = 192,350/x
3. Step 3: Cross multiply
   90,142.50x = 192,350 × 192,350
4. Step 4: Simplify right side
   90,142.50x = 36,998,522,500
5. Step 5: Solve for x
   x = 36,998,522,500/90,142.50
6. Step 6: Final answer
   x = 410,444.82