Finding the Third Proportional to 85,519 and 132,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,519 : 132,429.50 = 132,429.50 : x
2. Step 2: Convert to fraction form
   85,519/132,429.50 = 132,429.50/x
3. Step 3: Cross multiply
   85,519x = 132,429.50 × 132,429.50
4. Step 4: Simplify right side
   85,519x = 17,537,572,470.25
5. Step 5: Solve for x
   x = 17,537,572,470.25/85,519
6. Step 6: Final answer
   x = 205,072.24