Finding the Third Proportional to 2,156 and 3,236

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156 : 3,236 = 3,236 : x
2. Step 2: Convert to fraction form
   2,156/3,236 = 3,236/x
3. Step 3: Cross multiply
   2,156x = 3,236 × 3,236
4. Step 4: Simplify right side
   2,156x = 10,471,696
5. Step 5: Solve for x
   x = 10,471,696/2,156
6. Step 6: Final answer
   x = 4,857.00