Finding the Third Proportional to 90,342 and 195,744

Step by Step Solution

1. Step 1: Write the proportion equation
   90,342 : 195,744 = 195,744 : x
2. Step 2: Convert to fraction form
   90,342/195,744 = 195,744/x
3. Step 3: Cross multiply
   90,342x = 195,744 × 195,744
4. Step 4: Simplify right side
   90,342x = 38,315,713,536
5. Step 5: Solve for x
   x = 38,315,713,536/90,342
6. Step 6: Final answer
   x = 424,118.50