Finding the Third Proportional to 90,457.50 and 132,974.25

Step by Step Solution

1. Step 1: Write the proportion equation
   90,457.50 : 132,974.25 = 132,974.25 : x
2. Step 2: Convert to fraction form
   90,457.50/132,974.25 = 132,974.25/x
3. Step 3: Cross multiply
   90,457.50x = 132,974.25 × 132,974.25
4. Step 4: Simplify right side
   90,457.50x = 17,682,151,163.06
5. Step 5: Solve for x
   x = 17,682,151,163.06/90,457.50
6. Step 6: Final answer
   x = 195,474.68