Finding the Third Proportional to 449.72 and 975.80

Step by Step Solution

1. Step 1: Write the proportion equation
   449.72 : 975.80 = 975.80 : x
2. Step 2: Convert to fraction form
   449.72/975.80 = 975.80/x
3. Step 3: Cross multiply
   449.72x = 975.80 × 975.80
4. Step 4: Simplify right side
   449.72x = 952,179.54
5. Step 5: Solve for x
   x = 952,179.54/449.72
6. Step 6: Final answer
   x = 2,117.28