Finding the Third Proportional to 2,021,822 and 4,397,916

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,822 : 4,397,916 = 4,397,916 : x
2. Step 2: Convert to fraction form
   2,021,822/4,397,916 = 4,397,916/x
3. Step 3: Cross multiply
   2,021,822x = 4,397,916 × 4,397,916
4. Step 4: Simplify right side
   2,021,822x = 19,341,665,143,056
5. Step 5: Solve for x
   x = 19,341,665,143,056/2,021,822
6. Step 6: Final answer
   x = 9,566,453.00