Finding the Third Proportional to 82,799.50 and 131,324.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,799.50 : 131,324.50 = 131,324.50 : x
2. Step 2: Convert to fraction form
   82,799.50/131,324.50 = 131,324.50/x
3. Step 3: Cross multiply
   82,799.50x = 131,324.50 × 131,324.50
4. Step 4: Simplify right side
   82,799.50x = 17,246,124,300.25
5. Step 5: Solve for x
   x = 17,246,124,300.25/82,799.50
6. Step 6: Final answer
   x = 208,287.78