Finding the Third Proportional to 1,662,168 and 3,639,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,168 : 3,639,618 = 3,639,618 : x
2. Step 2: Convert to fraction form
   1,662,168/3,639,618 = 3,639,618/x
3. Step 3: Cross multiply
   1,662,168x = 3,639,618 × 3,639,618
4. Step 4: Simplify right side
   1,662,168x = 13,246,819,185,924
5. Step 5: Solve for x
   x = 13,246,819,185,924/1,662,168
6. Step 6: Final answer
   x = 7,969,603.06