Finding the Third Proportional to 295,449 and 443,064

Step by Step Solution

1. Step 1: Write the proportion equation
   295,449 : 443,064 = 443,064 : x
2. Step 2: Convert to fraction form
   295,449/443,064 = 443,064/x
3. Step 3: Cross multiply
   295,449x = 443,064 × 443,064
4. Step 4: Simplify right side
   295,449x = 196,305,708,096
5. Step 5: Solve for x
   x = 196,305,708,096/295,449
6. Step 6: Final answer
   x = 664,431.79