Finding the Third Proportional to 516.56 and 1,068

Step by Step Solution

1. Step 1: Write the proportion equation
   516.56 : 1,068 = 1,068 : x
2. Step 2: Convert to fraction form
   516.56/1,068 = 1,068/x
3. Step 3: Cross multiply
   516.56x = 1,068 × 1,068
4. Step 4: Simplify right side
   516.56x = 1,140,624
5. Step 5: Solve for x
   x = 1,140,624/516.56
6. Step 6: Final answer
   x = 2,208.10