Finding the Third Proportional to 296,439.75 and 443,854.69

Step by Step Solution

1. Step 1: Write the proportion equation
   296,439.75 : 443,854.69 = 443,854.69 : x
2. Step 2: Convert to fraction form
   296,439.75/443,854.69 = 443,854.69/x
3. Step 3: Cross multiply
   296,439.75x = 443,854.69 × 443,854.69
4. Step 4: Simplify right side
   296,439.75x = 197,006,983,615.72
5. Step 5: Solve for x
   x = 197,006,983,615.72/296,439.75
6. Step 6: Final answer
   x = 664,576.81