Finding the Third Proportional to 1,040.44 and 2,208.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.44 : 2,208.56 = 2,208.56 : x
2. Step 2: Convert to fraction form
   1,040.44/2,208.56 = 2,208.56/x
3. Step 3: Cross multiply
   1,040.44x = 2,208.56 × 2,208.56
4. Step 4: Simplify right side
   1,040.44x = 4,877,748.32
5. Step 5: Solve for x
   x = 4,877,748.32/1,040.44
6. Step 6: Final answer
   x = 4,688.17