Finding the Third Proportional to 5,451 and 12,801

Step by Step Solution

1. Step 1: Write the proportion equation
   5,451 : 12,801 = 12,801 : x
2. Step 2: Convert to fraction form
   5,451/12,801 = 12,801/x
3. Step 3: Cross multiply
   5,451x = 12,801 × 12,801
4. Step 4: Simplify right side
   5,451x = 163,865,601
5. Step 5: Solve for x
   x = 163,865,601/5,451
6. Step 6: Final answer
   x = 30,061.57