Finding the Third Proportional to 4,396,810 and 9,643,796

Step by Step Solution

1. Step 1: Write the proportion equation
   4,396,810 : 9,643,796 = 9,643,796 : x
2. Step 2: Convert to fraction form
   4,396,810/9,643,796 = 9,643,796/x
3. Step 3: Cross multiply
   4,396,810x = 9,643,796 × 9,643,796
4. Step 4: Simplify right side
   4,396,810x = 93,002,801,289,616
5. Step 5: Solve for x
   x = 93,002,801,289,616/4,396,810
6. Step 6: Final answer
   x = 21,152,335.74