Finding the Third Proportional to 661.75 and 973.38

Step by Step Solution

1. Step 1: Write the proportion equation
   661.75 : 973.38 = 973.38 : x
2. Step 2: Convert to fraction form
   661.75/973.38 = 973.38/x
3. Step 3: Cross multiply
   661.75x = 973.38 × 973.38
4. Step 4: Simplify right side
   661.75x = 947,458.89
5. Step 5: Solve for x
   x = 947,458.89/661.75
6. Step 6: Final answer
   x = 1,431.75