Finding the Third Proportional to 2,143,738 and 4,463,886

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,738 : 4,463,886 = 4,463,886 : x
2. Step 2: Convert to fraction form
   2,143,738/4,463,886 = 4,463,886/x
3. Step 3: Cross multiply
   2,143,738x = 4,463,886 × 4,463,886
4. Step 4: Simplify right side
   2,143,738x = 19,926,278,220,996
5. Step 5: Solve for x
   x = 19,926,278,220,996/2,143,738
6. Step 6: Final answer
   x = 9,295,108.93