Finding the Third Proportional to 2,056.50 and 3,311.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.50 : 3,311.81 = 3,311.81 : x
2. Step 2: Convert to fraction form
   2,056.50/3,311.81 = 3,311.81/x
3. Step 3: Cross multiply
   2,056.50x = 3,311.81 × 3,311.81
4. Step 4: Simplify right side
   2,056.50x = 10,968,102.04
5. Step 5: Solve for x
   x = 10,968,102.04/2,056.50
6. Step 6: Final answer
   x = 5,333.38