Finding the Third Proportional to 90,582 and 192,180

Step by Step Solution

1. Step 1: Write the proportion equation
   90,582 : 192,180 = 192,180 : x
2. Step 2: Convert to fraction form
   90,582/192,180 = 192,180/x
3. Step 3: Cross multiply
   90,582x = 192,180 × 192,180
4. Step 4: Simplify right side
   90,582x = 36,933,152,400
5. Step 5: Solve for x
   x = 36,933,152,400/90,582
6. Step 6: Final answer
   x = 407,731.70