Finding the Third Proportional to 2,216.25 and 5,229

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.25 : 5,229 = 5,229 : x
2. Step 2: Convert to fraction form
   2,216.25/5,229 = 5,229/x
3. Step 3: Cross multiply
   2,216.25x = 5,229 × 5,229
4. Step 4: Simplify right side
   2,216.25x = 27,342,441
5. Step 5: Solve for x
   x = 27,342,441/2,216.25
6. Step 6: Final answer
   x = 12,337.25