Finding the Third Proportional to 2,071,821 and 4,519,977

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071,821 : 4,519,977 = 4,519,977 : x
2. Step 2: Convert to fraction form
   2,071,821/4,519,977 = 4,519,977/x
3. Step 3: Cross multiply
   2,071,821x = 4,519,977 × 4,519,977
4. Step 4: Simplify right side
   2,071,821x = 20,430,192,080,529
5. Step 5: Solve for x
   x = 20,430,192,080,529/2,071,821
6. Step 6: Final answer
   x = 9,860,983.20