Finding the Third Proportional to 664,176 and 1,440,048

Step by Step Solution

1. Step 1: Write the proportion equation
   664,176 : 1,440,048 = 1,440,048 : x
2. Step 2: Convert to fraction form
   664,176/1,440,048 = 1,440,048/x
3. Step 3: Cross multiply
   664,176x = 1,440,048 × 1,440,048
4. Step 4: Simplify right side
   664,176x = 2,073,738,242,304
5. Step 5: Solve for x
   x = 2,073,738,242,304/664,176
6. Step 6: Final answer
   x = 3,122,272.17