Finding the Third Proportional to 17,612 and 38,489.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,612 : 38,489.50 = 38,489.50 : x
2. Step 2: Convert to fraction form
   17,612/38,489.50 = 38,489.50/x
3. Step 3: Cross multiply
   17,612x = 38,489.50 × 38,489.50
4. Step 4: Simplify right side
   17,612x = 1,481,441,610.25
5. Step 5: Solve for x
   x = 1,481,441,610.25/17,612
6. Step 6: Final answer
   x = 84,115.47