Finding the Third Proportional to 8,156 and 12,932

Step by Step Solution

1. Step 1: Write the proportion equation
   8,156 : 12,932 = 12,932 : x
2. Step 2: Convert to fraction form
   8,156/12,932 = 12,932/x
3. Step 3: Cross multiply
   8,156x = 12,932 × 12,932
4. Step 4: Simplify right side
   8,156x = 167,236,624
5. Step 5: Solve for x
   x = 167,236,624/8,156
6. Step 6: Final answer
   x = 20,504.74