Finding the Third Proportional to 90,061.88 and 195,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,061.88 : 195,979.50 = 195,979.50 : x
2. Step 2: Convert to fraction form
   90,061.88/195,979.50 = 195,979.50/x
3. Step 3: Cross multiply
   90,061.88x = 195,979.50 × 195,979.50
4. Step 4: Simplify right side
   90,061.88x = 38,407,964,420.25
5. Step 5: Solve for x
   x = 38,407,964,420.25/90,061.88
6. Step 6: Final answer
   x = 426,461.97