Finding the Third Proportional to 1,155.09 and 2,472.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.09 : 2,472.19 = 2,472.19 : x
2. Step 2: Convert to fraction form
   1,155.09/2,472.19 = 2,472.19/x
3. Step 3: Cross multiply
   1,155.09x = 2,472.19 × 2,472.19
4. Step 4: Simplify right side
   1,155.09x = 6,111,711.04
5. Step 5: Solve for x
   x = 6,111,711.04/1,155.09
6. Step 6: Final answer
   x = 5,291.10