Finding the Third Proportional to 451.69 and 979.31

Step by Step Solution

1. Step 1: Write the proportion equation
   451.69 : 979.31 = 979.31 : x
2. Step 2: Convert to fraction form
   451.69/979.31 = 979.31/x
3. Step 3: Cross multiply
   451.69x = 979.31 × 979.31
4. Step 4: Simplify right side
   451.69x = 959,052.97
5. Step 5: Solve for x
   x = 959,052.97/451.69
6. Step 6: Final answer
   x = 2,123.27