Finding the Third Proportional to 440 and 1,044.50

Step by Step Solution

1. Step 1: Write the proportion equation
   440 : 1,044.50 = 1,044.50 : x
2. Step 2: Convert to fraction form
   440/1,044.50 = 1,044.50/x
3. Step 3: Cross multiply
   440x = 1,044.50 × 1,044.50
4. Step 4: Simplify right side
   440x = 1,090,980.25
5. Step 5: Solve for x
   x = 1,090,980.25/440
6. Step 6: Final answer
   x = 2,479.50