Finding the Third Proportional to 10,956 and 12,828

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956 : 12,828 = 12,828 : x
2. Step 2: Convert to fraction form
   10,956/12,828 = 12,828/x
3. Step 3: Cross multiply
   10,956x = 12,828 × 12,828
4. Step 4: Simplify right side
   10,956x = 164,557,584
5. Step 5: Solve for x
   x = 164,557,584/10,956
6. Step 6: Final answer
   x = 15,019.86