Finding the Third Proportional to 14,839 and 21,451

Step by Step Solution

1. Step 1: Write the proportion equation
   14,839 : 21,451 = 21,451 : x
2. Step 2: Convert to fraction form
   14,839/21,451 = 21,451/x
3. Step 3: Cross multiply
   14,839x = 21,451 × 21,451
4. Step 4: Simplify right side
   14,839x = 460,145,401
5. Step 5: Solve for x
   x = 460,145,401/14,839
6. Step 6: Final answer
   x = 31,009.19