Finding the Third Proportional to 3,494,554 and 7,474,880

Step by Step Solution

1. Step 1: Write the proportion equation
   3,494,554 : 7,474,880 = 7,474,880 : x
2. Step 2: Convert to fraction form
   3,494,554/7,474,880 = 7,474,880/x
3. Step 3: Cross multiply
   3,494,554x = 7,474,880 × 7,474,880
4. Step 4: Simplify right side
   3,494,554x = 55,873,831,014,400
5. Step 5: Solve for x
   x = 55,873,831,014,400/3,494,554
6. Step 6: Final answer
   x = 15,988,830.34