Finding the Third Proportional to 295,440 and 443,055

Step by Step Solution

1. Step 1: Write the proportion equation
   295,440 : 443,055 = 443,055 : x
2. Step 2: Convert to fraction form
   295,440/443,055 = 443,055/x
3. Step 3: Cross multiply
   295,440x = 443,055 × 443,055
4. Step 4: Simplify right side
   295,440x = 196,297,733,025
5. Step 5: Solve for x
   x = 196,297,733,025/295,440
6. Step 6: Final answer
   x = 664,425.04