Finding the Third Proportional to 2,143,706 and 4,463,830

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,706 : 4,463,830 = 4,463,830 : x
2. Step 2: Convert to fraction form
   2,143,706/4,463,830 = 4,463,830/x
3. Step 3: Cross multiply
   2,143,706x = 4,463,830 × 4,463,830
4. Step 4: Simplify right side
   2,143,706x = 19,925,778,268,900
5. Step 5: Solve for x
   x = 19,925,778,268,900/2,143,706
6. Step 6: Final answer
   x = 9,295,014.46