Finding the Third Proportional to 3,494,519 and 7,474,807

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494,519 : 7,474,807 = 7,474,807 : x
2. Step 2: Convert to fraction form
   3,494,519/7,474,807 = 7,474,807/x
3. Step 3: Cross multiply
   3,494,519x = 7,474,807 × 7,474,807
4. Step 4: Simplify right side
   3,494,519x = 55,872,739,687,249
5. Step 5: Solve for x
   x = 55,872,739,687,249/3,494,519
6. Step 6: Final answer
   x = 15,988,678.18