Finding the Third Proportional to 443,367 and 649,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,367 : 649,321.50 = 649,321.50 : x
2. Step 2: Convert to fraction form
   443,367/649,321.50 = 649,321.50/x
3. Step 3: Cross multiply
   443,367x = 649,321.50 × 649,321.50
4. Step 4: Simplify right side
   443,367x = 421,618,410,362.25
5. Step 5: Solve for x
   x = 421,618,410,362.25/443,367
6. Step 6: Final answer
   x = 950,946.76