Finding the Third Proportional to 4,212,822 and 9,074,569

Step by Step Solution

1. Step 1: Write the proportion equation
   4,212,822 : 9,074,569 = 9,074,569 : x
2. Step 2: Convert to fraction form
   4,212,822/9,074,569 = 9,074,569/x
3. Step 3: Cross multiply
   4,212,822x = 9,074,569 × 9,074,569
4. Step 4: Simplify right side
   4,212,822x = 82,347,802,535,761
5. Step 5: Solve for x
   x = 82,347,802,535,761/4,212,822
6. Step 6: Final answer
   x = 19,546,945.62