Finding the Third Proportional to 8,671 and 13,799

Step by Step Solution

1. Step 1: Write the proportion equation
   8,671 : 13,799 = 13,799 : x
2. Step 2: Convert to fraction form
   8,671/13,799 = 13,799/x
3. Step 3: Cross multiply
   8,671x = 13,799 × 13,799
4. Step 4: Simplify right side
   8,671x = 190,412,401
5. Step 5: Solve for x
   x = 190,412,401/8,671
6. Step 6: Final answer
   x = 21,959.68