Finding the Third Proportional to 1,020.56 and 2,308.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020.56 : 2,308.13 = 2,308.13 : x
2. Step 2: Convert to fraction form
   1,020.56/2,308.13 = 2,308.13/x
3. Step 3: Cross multiply
   1,020.56x = 2,308.13 × 2,308.13
4. Step 4: Simplify right side
   1,020.56x = 5,327,441.02
5. Step 5: Solve for x
   x = 5,327,441.02/1,020.56
6. Step 6: Final answer
   x = 5,220.10