Finding the Third Proportional to 90,479 and 133,085

Step by Step Solution

1. Step 1: Write the proportion equation
   90,479 : 133,085 = 133,085 : x
2. Step 2: Convert to fraction form
   90,479/133,085 = 133,085/x
3. Step 3: Cross multiply
   90,479x = 133,085 × 133,085
4. Step 4: Simplify right side
   90,479x = 17,711,617,225
5. Step 5: Solve for x
   x = 17,711,617,225/90,479
6. Step 6: Final answer
   x = 195,753.90