Finding the Third Proportional to 86,800 and 132,760

Step by Step Solution

1. Step 1: Write the proportion equation
   86,800 : 132,760 = 132,760 : x
2. Step 2: Convert to fraction form
   86,800/132,760 = 132,760/x
3. Step 3: Cross multiply
   86,800x = 132,760 × 132,760
4. Step 4: Simplify right side
   86,800x = 17,625,217,600
5. Step 5: Solve for x
   x = 17,625,217,600/86,800
6. Step 6: Final answer
   x = 203,055.50