Finding the Third Proportional to 2,216 and 5,108

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216 : 5,108 = 5,108 : x
2. Step 2: Convert to fraction form
   2,216/5,108 = 5,108/x
3. Step 3: Cross multiply
   2,216x = 5,108 × 5,108
4. Step 4: Simplify right side
   2,216x = 26,091,664
5. Step 5: Solve for x
   x = 26,091,664/2,216
6. Step 6: Final answer
   x = 11,774.22