Finding the Third Proportional to 4,886,770 and 10,422,540

Step by Step Solution

1. Step 1: Write the proportion equation
   4,886,770 : 10,422,540 = 10,422,540 : x
2. Step 2: Convert to fraction form
   4,886,770/10,422,540 = 10,422,540/x
3. Step 3: Cross multiply
   4,886,770x = 10,422,540 × 10,422,540
4. Step 4: Simplify right side
   4,886,770x = 108,629,340,051,600
5. Step 5: Solve for x
   x = 108,629,340,051,600/4,886,770
6. Step 6: Final answer
   x = 22,229,272.11