Finding the Third Proportional to 8,449 and 13,007

Step by Step Solution

1. Step 1: Write the proportion equation
   8,449 : 13,007 = 13,007 : x
2. Step 2: Convert to fraction form
   8,449/13,007 = 13,007/x
3. Step 3: Cross multiply
   8,449x = 13,007 × 13,007
4. Step 4: Simplify right side
   8,449x = 169,182,049
5. Step 5: Solve for x
   x = 169,182,049/8,449
6. Step 6: Final answer
   x = 20,023.91