Finding the Third Proportional to 4,204,378 and 9,222,644

Step by Step Solution

1. Step 1: Write the proportion equation
   4,204,378 : 9,222,644 = 9,222,644 : x
2. Step 2: Convert to fraction form
   4,204,378/9,222,644 = 9,222,644/x
3. Step 3: Cross multiply
   4,204,378x = 9,222,644 × 9,222,644
4. Step 4: Simplify right side
   4,204,378x = 85,057,162,350,736
5. Step 5: Solve for x
   x = 85,057,162,350,736/4,204,378
6. Step 6: Final answer
   x = 20,230,617.31