Finding the Third Proportional to 1,321.88 and 2,456.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321.88 : 2,456.44 = 2,456.44 : x
2. Step 2: Convert to fraction form
   1,321.88/2,456.44 = 2,456.44/x
3. Step 3: Cross multiply
   1,321.88x = 2,456.44 × 2,456.44
4. Step 4: Simplify right side
   1,321.88x = 6,034,085.19
5. Step 5: Solve for x
   x = 6,034,085.19/1,321.88
6. Step 6: Final answer
   x = 4,564.79