Finding the Third Proportional to 1,020.38 and 1,530.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020.38 : 1,530.56 = 1,530.56 : x
2. Step 2: Convert to fraction form
   1,020.38/1,530.56 = 1,530.56/x
3. Step 3: Cross multiply
   1,020.38x = 1,530.56 × 1,530.56
4. Step 4: Simplify right side
   1,020.38x = 2,342,621.57
5. Step 5: Solve for x
   x = 2,342,621.57/1,020.38
6. Step 6: Final answer
   x = 2,295.84