Finding the Third Proportional to 4,486,796 and 9,785,618

Step by Step Solution

1. Step 1: Write the proportion equation
   4,486,796 : 9,785,618 = 9,785,618 : x
2. Step 2: Convert to fraction form
   4,486,796/9,785,618 = 9,785,618/x
3. Step 3: Cross multiply
   4,486,796x = 9,785,618 × 9,785,618
4. Step 4: Simplify right side
   4,486,796x = 95,758,319,641,924
5. Step 5: Solve for x
   x = 95,758,319,641,924/4,486,796
6. Step 6: Final answer
   x = 21,342,249.49