Finding the Third Proportional to 673.56 and 1,453.31

Step by Step Solution

1. Step 1: Write the proportion equation
   673.56 : 1,453.31 = 1,453.31 : x
2. Step 2: Convert to fraction form
   673.56/1,453.31 = 1,453.31/x
3. Step 3: Cross multiply
   673.56x = 1,453.31 × 1,453.31
4. Step 4: Simplify right side
   673.56x = 2,112,117.22
5. Step 5: Solve for x
   x = 2,112,117.22/673.56
6. Step 6: Final answer
   x = 3,135.74