Finding the Third Proportional to 2,143,730 and 4,463,869

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,730 : 4,463,869 = 4,463,869 : x
2. Step 2: Convert to fraction form
   2,143,730/4,463,869 = 4,463,869/x
3. Step 3: Cross multiply
   2,143,730x = 4,463,869 × 4,463,869
4. Step 4: Simplify right side
   2,143,730x = 19,926,126,449,161
5. Step 5: Solve for x
   x = 19,926,126,449,161/2,143,730
6. Step 6: Final answer
   x = 9,295,072.82