Finding the Third Proportional to 445 and 1,039.25

Step by Step Solution

1. Step 1: Write the proportion equation
   445 : 1,039.25 = 1,039.25 : x
2. Step 2: Convert to fraction form
   445/1,039.25 = 1,039.25/x
3. Step 3: Cross multiply
   445x = 1,039.25 × 1,039.25
4. Step 4: Simplify right side
   445x = 1,080,040.56
5. Step 5: Solve for x
   x = 1,080,040.56/445
6. Step 6: Final answer
   x = 2,427.06