Finding the Third Proportional to 90,455 and 132,974

Step by Step Solution

1. Step 1: Write the proportion equation
   90,455 : 132,974 = 132,974 : x
2. Step 2: Convert to fraction form
   90,455/132,974 = 132,974/x
3. Step 3: Cross multiply
   90,455x = 132,974 × 132,974
4. Step 4: Simplify right side
   90,455x = 17,682,084,676
5. Step 5: Solve for x
   x = 17,682,084,676/90,455
6. Step 6: Final answer
   x = 195,479.35