Finding the Third Proportional to 1,227.94 and 2,687.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.94 : 2,687.06 = 2,687.06 : x
2. Step 2: Convert to fraction form
   1,227.94/2,687.06 = 2,687.06/x
3. Step 3: Cross multiply
   1,227.94x = 2,687.06 × 2,687.06
4. Step 4: Simplify right side
   1,227.94x = 7,220,304.88
5. Step 5: Solve for x
   x = 7,220,304.88/1,227.94
6. Step 6: Final answer
   x = 5,880.03