Finding the Third Proportional to 664,744 and 1,441,648

Step by Step Solution

1. Step 1: Write the proportion equation
   664,744 : 1,441,648 = 1,441,648 : x
2. Step 2: Convert to fraction form
   664,744/1,441,648 = 1,441,648/x
3. Step 3: Cross multiply
   664,744x = 1,441,648 × 1,441,648
4. Step 4: Simplify right side
   664,744x = 2,078,348,955,904
5. Step 5: Solve for x
   x = 2,078,348,955,904/664,744
6. Step 6: Final answer
   x = 3,126,540.38