Finding the Third Proportional to 8,371 and 13,459

Step by Step Solution

1. Step 1: Write the proportion equation
   8,371 : 13,459 = 13,459 : x
2. Step 2: Convert to fraction form
   8,371/13,459 = 13,459/x
3. Step 3: Cross multiply
   8,371x = 13,459 × 13,459
4. Step 4: Simplify right side
   8,371x = 181,144,681
5. Step 5: Solve for x
   x = 181,144,681/8,371
6. Step 6: Final answer
   x = 21,639.55