Finding the Third Proportional to 16,877 and 25,221

Step by Step Solution

1. Step 1: Write the proportion equation
   16,877 : 25,221 = 25,221 : x
2. Step 2: Convert to fraction form
   16,877/25,221 = 25,221/x
3. Step 3: Cross multiply
   16,877x = 25,221 × 25,221
4. Step 4: Simplify right side
   16,877x = 636,098,841
5. Step 5: Solve for x
   x = 636,098,841/16,877
6. Step 6: Final answer
   x = 37,690.28