Finding the Third Proportional to 520.65 and 1,099.83

Step by Step Solution

1. Step 1: Write the proportion equation
   520.65 : 1,099.83 = 1,099.83 : x
2. Step 2: Convert to fraction form
   520.65/1,099.83 = 1,099.83/x
3. Step 3: Cross multiply
   520.65x = 1,099.83 × 1,099.83
4. Step 4: Simplify right side
   520.65x = 1,209,621.90
5. Step 5: Solve for x
   x = 1,209,621.90/520.65
6. Step 6: Final answer
   x = 2,323.31