Finding the Third Proportional to 8,212 and 17,774

Step by Step Solution

1. Step 1: Write the proportion equation
   8,212 : 17,774 = 17,774 : x
2. Step 2: Convert to fraction form
   8,212/17,774 = 17,774/x
3. Step 3: Cross multiply
   8,212x = 17,774 × 17,774
4. Step 4: Simplify right side
   8,212x = 315,915,076
5. Step 5: Solve for x
   x = 315,915,076/8,212
6. Step 6: Final answer
   x = 38,469.93