Finding the Third Proportional to 3,547,450 and 7,781,618

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547,450 : 7,781,618 = 7,781,618 : x
2. Step 2: Convert to fraction form
   3,547,450/7,781,618 = 7,781,618/x
3. Step 3: Cross multiply
   3,547,450x = 7,781,618 × 7,781,618
4. Step 4: Simplify right side
   3,547,450x = 60,553,578,697,924
5. Step 5: Solve for x
   x = 60,553,578,697,924/3,547,450
6. Step 6: Final answer
   x = 17,069,607.38