Finding the Third Proportional to 2,143,731 and 4,463,871

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,731 : 4,463,871 = 4,463,871 : x
2. Step 2: Convert to fraction form
   2,143,731/4,463,871 = 4,463,871/x
3. Step 3: Cross multiply
   2,143,731x = 4,463,871 × 4,463,871
4. Step 4: Simplify right side
   2,143,731x = 19,926,144,304,641
5. Step 5: Solve for x
   x = 19,926,144,304,641/2,143,731
6. Step 6: Final answer
   x = 9,295,076.81