Finding the Third Proportional to 1,118.06 and 2,407.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118.06 : 2,407.31 = 2,407.31 : x
2. Step 2: Convert to fraction form
   1,118.06/2,407.31 = 2,407.31/x
3. Step 3: Cross multiply
   1,118.06x = 2,407.31 × 2,407.31
4. Step 4: Simplify right side
   1,118.06x = 5,795,153.47
5. Step 5: Solve for x
   x = 5,795,153.47/1,118.06
6. Step 6: Final answer
   x = 5,183.21