Finding the Third Proportional to 1,116.75 and 2,449.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.75 : 2,449.31 = 2,449.31 : x
2. Step 2: Convert to fraction form
   1,116.75/2,449.31 = 2,449.31/x
3. Step 3: Cross multiply
   1,116.75x = 2,449.31 × 2,449.31
4. Step 4: Simplify right side
   1,116.75x = 5,999,131.72
5. Step 5: Solve for x
   x = 5,999,131.72/1,116.75
6. Step 6: Final answer
   x = 5,371.96