Finding the Third Proportional to 6,724 and 12,116

Step by Step Solution

1. Step 1: Write the proportion equation
   6,724 : 12,116 = 12,116 : x
2. Step 2: Convert to fraction form
   6,724/12,116 = 12,116/x
3. Step 3: Cross multiply
   6,724x = 12,116 × 12,116
4. Step 4: Simplify right side
   6,724x = 146,797,456
5. Step 5: Solve for x
   x = 146,797,456/6,724
6. Step 6: Final answer
   x = 21,831.86