Finding the Third Proportional to 1,116.76 and 2,406.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.76 : 2,406.74 = 2,406.74 : x
2. Step 2: Convert to fraction form
   1,116.76/2,406.74 = 2,406.74/x
3. Step 3: Cross multiply
   1,116.76x = 2,406.74 × 2,406.74
4. Step 4: Simplify right side
   1,116.76x = 5,792,417.36
5. Step 5: Solve for x
   x = 5,792,417.36/1,116.76
6. Step 6: Final answer
   x = 5,186.83