Finding the Third Proportional to 1,078.88 and 1,571.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078.88 : 1,571.63 = 1,571.63 : x
2. Step 2: Convert to fraction form
   1,078.88/1,571.63 = 1,571.63/x
3. Step 3: Cross multiply
   1,078.88x = 1,571.63 × 1,571.63
4. Step 4: Simplify right side
   1,078.88x = 2,470,005.14
5. Step 5: Solve for x
   x = 2,470,005.14/1,078.88
6. Step 6: Final answer
   x = 2,289.43