Finding the Third Proportional to 14,479 and 31,449

Step by Step Solution

1. Step 1: Write the proportion equation
   14,479 : 31,449 = 31,449 : x
2. Step 2: Convert to fraction form
   14,479/31,449 = 31,449/x
3. Step 3: Cross multiply
   14,479x = 31,449 × 31,449
4. Step 4: Simplify right side
   14,479x = 989,039,601
5. Step 5: Solve for x
   x = 989,039,601/14,479
6. Step 6: Final answer
   x = 68,308.56