Finding the Third Proportional to 16,871 and 25,611

Step by Step Solution

1. Step 1: Write the proportion equation
   16,871 : 25,611 = 25,611 : x
2. Step 2: Convert to fraction form
   16,871/25,611 = 25,611/x
3. Step 3: Cross multiply
   16,871x = 25,611 × 25,611
4. Step 4: Simplify right side
   16,871x = 655,923,321
5. Step 5: Solve for x
   x = 655,923,321/16,871
6. Step 6: Final answer
   x = 38,878.75