Finding the Third Proportional to 3,494,507 and 7,474,782

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494,507 : 7,474,782 = 7,474,782 : x
2. Step 2: Convert to fraction form
   3,494,507/7,474,782 = 7,474,782/x
3. Step 3: Cross multiply
   3,494,507x = 7,474,782 × 7,474,782
4. Step 4: Simplify right side
   3,494,507x = 55,872,365,947,524
5. Step 5: Solve for x
   x = 55,872,365,947,524/3,494,507
6. Step 6: Final answer
   x = 15,988,626.13