Finding the Third Proportional to 10,856 and 12,264

Step by Step Solution

1. Step 1: Write the proportion equation
   10,856 : 12,264 = 12,264 : x
2. Step 2: Convert to fraction form
   10,856/12,264 = 12,264/x
3. Step 3: Cross multiply
   10,856x = 12,264 × 12,264
4. Step 4: Simplify right side
   10,856x = 150,405,696
5. Step 5: Solve for x
   x = 150,405,696/10,856
6. Step 6: Final answer
   x = 13,854.61