Finding the Third Proportional to 85,519.50 and 132,430

Step by Step Solution

1. Step 1: Write the proportion equation
   85,519.50 : 132,430 = 132,430 : x
2. Step 2: Convert to fraction form
   85,519.50/132,430 = 132,430/x
3. Step 3: Cross multiply
   85,519.50x = 132,430 × 132,430
4. Step 4: Simplify right side
   85,519.50x = 17,537,704,900
5. Step 5: Solve for x
   x = 17,537,704,900/85,519.50
6. Step 6: Final answer
   x = 205,072.58