Finding the Third Proportional to 2,009,864 and 4,368,768

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009,864 : 4,368,768 = 4,368,768 : x
2. Step 2: Convert to fraction form
   2,009,864/4,368,768 = 4,368,768/x
3. Step 3: Cross multiply
   2,009,864x = 4,368,768 × 4,368,768
4. Step 4: Simplify right side
   2,009,864x = 19,086,133,837,824
5. Step 5: Solve for x
   x = 19,086,133,837,824/2,009,864
6. Step 6: Final answer
   x = 9,496,231.51