Finding the Third Proportional to 651.75 and 693.38

Step by Step Solution

1. Step 1: Write the proportion equation
   651.75 : 693.38 = 693.38 : x
2. Step 2: Convert to fraction form
   651.75/693.38 = 693.38/x
3. Step 3: Cross multiply
   651.75x = 693.38 × 693.38
4. Step 4: Simplify right side
   651.75x = 480,768.89
5. Step 5: Solve for x
   x = 480,768.89/651.75
6. Step 6: Final answer
   x = 737.66