Finding the Third Proportional to 10,881 and 12,393

Step by Step Solution

1. Step 1: Write the proportion equation
   10,881 : 12,393 = 12,393 : x
2. Step 2: Convert to fraction form
   10,881/12,393 = 12,393/x
3. Step 3: Cross multiply
   10,881x = 12,393 × 12,393
4. Step 4: Simplify right side
   10,881x = 153,586,449
5. Step 5: Solve for x
   x = 153,586,449/10,881
6. Step 6: Final answer
   x = 14,115.10