Finding the Third Proportional to 3,621,618 and 7,540,749

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621,618 : 7,540,749 = 7,540,749 : x
2. Step 2: Convert to fraction form
   3,621,618/7,540,749 = 7,540,749/x
3. Step 3: Cross multiply
   3,621,618x = 7,540,749 × 7,540,749
4. Step 4: Simplify right side
   3,621,618x = 56,862,895,481,001
5. Step 5: Solve for x
   x = 56,862,895,481,001/3,621,618
6. Step 6: Final answer
   x = 15,700,964.45