Finding the Third Proportional to 2,167.31 and 4,488.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.31 : 4,488.19 = 4,488.19 : x
2. Step 2: Convert to fraction form
   2,167.31/4,488.19 = 4,488.19/x
3. Step 3: Cross multiply
   2,167.31x = 4,488.19 × 4,488.19
4. Step 4: Simplify right side
   2,167.31x = 20,143,827.04
5. Step 5: Solve for x
   x = 20,143,827.04/2,167.31
6. Step 6: Final answer
   x = 9,294.38