Finding the Third Proportional to 90,456.75 and 132,976.69

Step by Step Solution

1. Step 1: Write the proportion equation
   90,456.75 : 132,976.69 = 132,976.69 : x
2. Step 2: Convert to fraction form
   90,456.75/132,976.69 = 132,976.69/x
3. Step 3: Cross multiply
   90,456.75x = 132,976.69 × 132,976.69
4. Step 4: Simplify right side
   90,456.75x = 17,682,799,418.47
5. Step 5: Solve for x
   x = 17,682,799,418.47/90,456.75
6. Step 6: Final answer
   x = 195,483.47