Finding the Third Proportional to 2,056.40 and 3,311.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.40 : 3,311.71 = 3,311.71 : x
2. Step 2: Convert to fraction form
   2,056.40/3,311.71 = 3,311.71/x
3. Step 3: Cross multiply
   2,056.40x = 3,311.71 × 3,311.71
4. Step 4: Simplify right side
   2,056.40x = 10,967,393.76
5. Step 5: Solve for x
   x = 10,967,393.76/2,056.40
6. Step 6: Final answer
   x = 5,333.29