Finding the Third Proportional to 4,521,744 and 9,828,864

Step by Step Solution

1. Step 1: Write the proportion equation
   4,521,744 : 9,828,864 = 9,828,864 : x
2. Step 2: Convert to fraction form
   4,521,744/9,828,864 = 9,828,864/x
3. Step 3: Cross multiply
   4,521,744x = 9,828,864 × 9,828,864
4. Step 4: Simplify right side
   4,521,744x = 96,606,567,530,496
5. Step 5: Solve for x
   x = 96,606,567,530,496/4,521,744
6. Step 6: Final answer
   x = 21,364,890.96