Finding the Third Proportional to 673.95 and 1,023.89

Step by Step Solution

1. Step 1: Write the proportion equation
   673.95 : 1,023.89 = 1,023.89 : x
2. Step 2: Convert to fraction form
   673.95/1,023.89 = 1,023.89/x
3. Step 3: Cross multiply
   673.95x = 1,023.89 × 1,023.89
4. Step 4: Simplify right side
   673.95x = 1,048,352.01
5. Step 5: Solve for x
   x = 1,048,352.01/673.95
6. Step 6: Final answer
   x = 1,555.54