Finding the Third Proportional to 11,268 and 12,276

Step by Step Solution

1. Step 1: Write the proportion equation
   11,268 : 12,276 = 12,276 : x
2. Step 2: Convert to fraction form
   11,268/12,276 = 12,276/x
3. Step 3: Cross multiply
   11,268x = 12,276 × 12,276
4. Step 4: Simplify right side
   11,268x = 150,700,176
5. Step 5: Solve for x
   x = 150,700,176/11,268
6. Step 6: Final answer
   x = 13,374.17