Finding the Third Proportional to 296,797 and 659,978

Step by Step Solution

1. Step 1: Write the proportion equation
   296,797 : 659,978 = 659,978 : x
2. Step 2: Convert to fraction form
   296,797/659,978 = 659,978/x
3. Step 3: Cross multiply
   296,797x = 659,978 × 659,978
4. Step 4: Simplify right side
   296,797x = 435,570,960,484
5. Step 5: Solve for x
   x = 435,570,960,484/296,797
6. Step 6: Final answer
   x = 1,467,571.98