Finding the Third Proportional to 90,530 and 133,020

Step by Step Solution

1. Step 1: Write the proportion equation
   90,530 : 133,020 = 133,020 : x
2. Step 2: Convert to fraction form
   90,530/133,020 = 133,020/x
3. Step 3: Cross multiply
   90,530x = 133,020 × 133,020
4. Step 4: Simplify right side
   90,530x = 17,694,320,400
5. Step 5: Solve for x
   x = 17,694,320,400/90,530
6. Step 6: Final answer
   x = 195,452.56