Finding the Third Proportional to 11,276 and 12,284

Step by Step Solution

1. Step 1: Write the proportion equation
   11,276 : 12,284 = 12,284 : x
2. Step 2: Convert to fraction form
   11,276/12,284 = 12,284/x
3. Step 3: Cross multiply
   11,276x = 12,284 × 12,284
4. Step 4: Simplify right side
   11,276x = 150,896,656
5. Step 5: Solve for x
   x = 150,896,656/11,276
6. Step 6: Final answer
   x = 13,382.11