Finding the Third Proportional to 4,578,756 and 9,944,796

Step by Step Solution

1. Step 1: Write the proportion equation
   4,578,756 : 9,944,796 = 9,944,796 : x
2. Step 2: Convert to fraction form
   4,578,756/9,944,796 = 9,944,796/x
3. Step 3: Cross multiply
   4,578,756x = 9,944,796 × 9,944,796
4. Step 4: Simplify right side
   4,578,756x = 98,898,967,481,616
5. Step 5: Solve for x
   x = 98,898,967,481,616/4,578,756
6. Step 6: Final answer
   x = 21,599,527.79