Finding the Third Proportional to 85,456.50 and 132,664.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,456.50 : 132,664.50 = 132,664.50 : x
2. Step 2: Convert to fraction form
   85,456.50/132,664.50 = 132,664.50/x
3. Step 3: Cross multiply
   85,456.50x = 132,664.50 × 132,664.50
4. Step 4: Simplify right side
   85,456.50x = 17,599,869,560.25
5. Step 5: Solve for x
   x = 17,599,869,560.25/85,456.50
6. Step 6: Final answer
   x = 205,951.21