Finding the Third Proportional to 673.27 and 1,428.05

Step by Step Solution

1. Step 1: Write the proportion equation
   673.27 : 1,428.05 = 1,428.05 : x
2. Step 2: Convert to fraction form
   673.27/1,428.05 = 1,428.05/x
3. Step 3: Cross multiply
   673.27x = 1,428.05 × 1,428.05
4. Step 4: Simplify right side
   673.27x = 2,039,317.88
5. Step 5: Solve for x
   x = 2,039,317.88/673.27
6. Step 6: Final answer
   x = 3,028.99