Finding the Third Proportional to 672.38 and 973.31

Step by Step Solution

1. Step 1: Write the proportion equation
   672.38 : 973.31 = 973.31 : x
2. Step 2: Convert to fraction form
   672.38/973.31 = 973.31/x
3. Step 3: Cross multiply
   672.38x = 973.31 × 973.31
4. Step 4: Simplify right side
   672.38x = 947,337.22
5. Step 5: Solve for x
   x = 947,337.22/672.38
6. Step 6: Final answer
   x = 1,408.94