Finding the Third Proportional to 3,494,454 and 7,474,694

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494,454 : 7,474,694 = 7,474,694 : x
2. Step 2: Convert to fraction form
   3,494,454/7,474,694 = 7,474,694/x
3. Step 3: Cross multiply
   3,494,454x = 7,474,694 × 7,474,694
4. Step 4: Simplify right side
   3,494,454x = 55,871,050,393,636
5. Step 5: Solve for x
   x = 55,871,050,393,636/3,494,454
6. Step 6: Final answer
   x = 15,988,492.16