Finding the Third Proportional to 17,499 and 26,242.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,499 : 26,242.50 = 26,242.50 : x
2. Step 2: Convert to fraction form
   17,499/26,242.50 = 26,242.50/x
3. Step 3: Cross multiply
   17,499x = 26,242.50 × 26,242.50
4. Step 4: Simplify right side
   17,499x = 688,668,806.25
5. Step 5: Solve for x
   x = 688,668,806.25/17,499
6. Step 6: Final answer
   x = 39,354.75