Finding the Third Proportional to 14,618 and 31,231

Step by Step Solution

1. Step 1: Write the proportion equation
   14,618 : 31,231 = 31,231 : x
2. Step 2: Convert to fraction form
   14,618/31,231 = 31,231/x
3. Step 3: Cross multiply
   14,618x = 31,231 × 31,231
4. Step 4: Simplify right side
   14,618x = 975,375,361
5. Step 5: Solve for x
   x = 975,375,361/14,618
6. Step 6: Final answer
   x = 66,724.27