Finding the Third Proportional to 3,380,618 and 7,334,473

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380,618 : 7,334,473 = 7,334,473 : x
2. Step 2: Convert to fraction form
   3,380,618/7,334,473 = 7,334,473/x
3. Step 3: Cross multiply
   3,380,618x = 7,334,473 × 7,334,473
4. Step 4: Simplify right side
   3,380,618x = 53,794,494,187,729
5. Step 5: Solve for x
   x = 53,794,494,187,729/3,380,618
6. Step 6: Final answer
   x = 15,912,621.36