Finding the Third Proportional to 2,156 and 4,716

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156 : 4,716 = 4,716 : x
2. Step 2: Convert to fraction form
   2,156/4,716 = 4,716/x
3. Step 3: Cross multiply
   2,156x = 4,716 × 4,716
4. Step 4: Simplify right side
   2,156x = 22,240,656
5. Step 5: Solve for x
   x = 22,240,656/2,156
6. Step 6: Final answer
   x = 10,315.70