Finding the Third Proportional to 2,106 and 3,198

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106 : 3,198 = 3,198 : x
2. Step 2: Convert to fraction form
   2,106/3,198 = 3,198/x
3. Step 3: Cross multiply
   2,106x = 3,198 × 3,198
4. Step 4: Simplify right side
   2,106x = 10,227,204
5. Step 5: Solve for x
   x = 10,227,204/2,106
6. Step 6: Final answer
   x = 4,856.22