Finding the Third Proportional to 1,317.38 and 2,797.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317.38 : 2,797.31 = 2,797.31 : x
2. Step 2: Convert to fraction form
   1,317.38/2,797.31 = 2,797.31/x
3. Step 3: Cross multiply
   1,317.38x = 2,797.31 × 2,797.31
4. Step 4: Simplify right side
   1,317.38x = 7,824,957.22
5. Step 5: Solve for x
   x = 7,824,957.22/1,317.38
6. Step 6: Final answer
   x = 5,939.81