Finding the Third Proportional to 8,221 and 17,738

Step by Step Solution

1. Step 1: Write the proportion equation
   8,221 : 17,738 = 17,738 : x
2. Step 2: Convert to fraction form
   8,221/17,738 = 17,738/x
3. Step 3: Cross multiply
   8,221x = 17,738 × 17,738
4. Step 4: Simplify right side
   8,221x = 314,636,644
5. Step 5: Solve for x
   x = 314,636,644/8,221
6. Step 6: Final answer
   x = 38,272.31