Finding the Third Proportional to 296,488 and 443,922

Step by Step Solution

1. Step 1: Write the proportion equation
   296,488 : 443,922 = 443,922 : x
2. Step 2: Convert to fraction form
   296,488/443,922 = 443,922/x
3. Step 3: Cross multiply
   296,488x = 443,922 × 443,922
4. Step 4: Simplify right side
   296,488x = 197,066,742,084
5. Step 5: Solve for x
   x = 197,066,742,084/296,488
6. Step 6: Final answer
   x = 664,670.21