Finding the Third Proportional to 443,846 and 649,157

Step by Step Solution

1. Step 1: Write the proportion equation
   443,846 : 649,157 = 649,157 : x
2. Step 2: Convert to fraction form
   443,846/649,157 = 649,157/x
3. Step 3: Cross multiply
   443,846x = 649,157 × 649,157
4. Step 4: Simplify right side
   443,846x = 421,404,810,649
5. Step 5: Solve for x
   x = 421,404,810,649/443,846
6. Step 6: Final answer
   x = 949,439.24