Finding the Third Proportional to 3,494,447 and 7,474,681

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494,447 : 7,474,681 = 7,474,681 : x
2. Step 2: Convert to fraction form
   3,494,447/7,474,681 = 7,474,681/x
3. Step 3: Cross multiply
   3,494,447x = 7,474,681 × 7,474,681
4. Step 4: Simplify right side
   3,494,447x = 55,870,856,051,761
5. Step 5: Solve for x
   x = 55,870,856,051,761/3,494,447
6. Step 6: Final answer
   x = 15,988,468.58