Finding the Third Proportional to 663.25 and 975.50

Step by Step Solution

1. Step 1: Write the proportion equation
   663.25 : 975.50 = 975.50 : x
2. Step 2: Convert to fraction form
   663.25/975.50 = 975.50/x
3. Step 3: Cross multiply
   663.25x = 975.50 × 975.50
4. Step 4: Simplify right side
   663.25x = 951,600.25
5. Step 5: Solve for x
   x = 951,600.25/663.25
6. Step 6: Final answer
   x = 1,434.75