Finding the Third Proportional to 17,608 and 20,808

Step by Step Solution

1. Step 1: Write the proportion equation
   17,608 : 20,808 = 20,808 : x
2. Step 2: Convert to fraction form
   17,608/20,808 = 20,808/x
3. Step 3: Cross multiply
   17,608x = 20,808 × 20,808
4. Step 4: Simplify right side
   17,608x = 432,972,864
5. Step 5: Solve for x
   x = 432,972,864/17,608
6. Step 6: Final answer
   x = 24,589.55