Finding the Third Proportional to 2,218,396 and 4,541,936

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,396 : 4,541,936 = 4,541,936 : x
2. Step 2: Convert to fraction form
   2,218,396/4,541,936 = 4,541,936/x
3. Step 3: Cross multiply
   2,218,396x = 4,541,936 × 4,541,936
4. Step 4: Simplify right side
   2,218,396x = 20,629,182,628,096
5. Step 5: Solve for x
   x = 20,629,182,628,096/2,218,396
6. Step 6: Final answer
   x = 9,299,143.45