Finding the Third Proportional to 3,494,464 and 7,474,716

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494,464 : 7,474,716 = 7,474,716 : x
2. Step 2: Convert to fraction form
   3,494,464/7,474,716 = 7,474,716/x
3. Step 3: Cross multiply
   3,494,464x = 7,474,716 × 7,474,716
4. Step 4: Simplify right side
   3,494,464x = 55,871,379,280,656
5. Step 5: Solve for x
   x = 55,871,379,280,656/3,494,464
6. Step 6: Final answer
   x = 15,988,540.53