Finding the Third Proportional to 85,517 and 132,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,517 : 132,740.50 = 132,740.50 : x
2. Step 2: Convert to fraction form
   85,517/132,740.50 = 132,740.50/x
3. Step 3: Cross multiply
   85,517x = 132,740.50 × 132,740.50
4. Step 4: Simplify right side
   85,517x = 17,620,040,340.25
5. Step 5: Solve for x
   x = 17,620,040,340.25/85,517
6. Step 6: Final answer
   x = 206,041.38