Finding the Third Proportional to 296,434 and 443,837

Step by Step Solution

1. Step 1: Write the proportion equation
   296,434 : 443,837 = 443,837 : x
2. Step 2: Convert to fraction form
   296,434/443,837 = 443,837/x
3. Step 3: Cross multiply
   296,434x = 443,837 × 443,837
4. Step 4: Simplify right side
   296,434x = 196,991,282,569
5. Step 5: Solve for x
   x = 196,991,282,569/296,434
6. Step 6: Final answer
   x = 664,536.74