Finding the Third Proportional to 9,192 and 12,956

Step by Step Solution

1. Step 1: Write the proportion equation
   9,192 : 12,956 = 12,956 : x
2. Step 2: Convert to fraction form
   9,192/12,956 = 12,956/x
3. Step 3: Cross multiply
   9,192x = 12,956 × 12,956
4. Step 4: Simplify right side
   9,192x = 167,857,936
5. Step 5: Solve for x
   x = 167,857,936/9,192
6. Step 6: Final answer
   x = 18,261.31