Finding the Third Proportional to 86,309.50 and 132,472

Step by Step Solution

1. Step 1: Write the proportion equation
   86,309.50 : 132,472 = 132,472 : x
2. Step 2: Convert to fraction form
   86,309.50/132,472 = 132,472/x
3. Step 3: Cross multiply
   86,309.50x = 132,472 × 132,472
4. Step 4: Simplify right side
   86,309.50x = 17,548,830,784
5. Step 5: Solve for x
   x = 17,548,830,784/86,309.50
6. Step 6: Final answer
   x = 203,324.44