Finding the Third Proportional to 296,435 and 443,838.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,435 : 443,838.50 = 443,838.50 : x
2. Step 2: Convert to fraction form
   296,435/443,838.50 = 443,838.50/x
3. Step 3: Cross multiply
   296,435x = 443,838.50 × 443,838.50
4. Step 4: Simplify right side
   296,435x = 196,992,614,082.25
5. Step 5: Solve for x
   x = 196,992,614,082.25/296,435
6. Step 6: Final answer
   x = 664,538.99