Finding the Third Proportional to 90,068 and 195,992

Step by Step Solution

1. Step 1: Write the proportion equation
   90,068 : 195,992 = 195,992 : x
2. Step 2: Convert to fraction form
   90,068/195,992 = 195,992/x
3. Step 3: Cross multiply
   90,068x = 195,992 × 195,992
4. Step 4: Simplify right side
   90,068x = 38,412,864,064
5. Step 5: Solve for x
   x = 38,412,864,064/90,068
6. Step 6: Final answer
   x = 426,487.37