Finding the Third Proportional to 2,156 and 3,296

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156 : 3,296 = 3,296 : x
2. Step 2: Convert to fraction form
   2,156/3,296 = 3,296/x
3. Step 3: Cross multiply
   2,156x = 3,296 × 3,296
4. Step 4: Simplify right side
   2,156x = 10,863,616
5. Step 5: Solve for x
   x = 10,863,616/2,156
6. Step 6: Final answer
   x = 5,038.78