Finding the Third Proportional to 1,648,728 and 3,474,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,728 : 3,474,576 = 3,474,576 : x
2. Step 2: Convert to fraction form
   1,648,728/3,474,576 = 3,474,576/x
3. Step 3: Cross multiply
   1,648,728x = 3,474,576 × 3,474,576
4. Step 4: Simplify right side
   1,648,728x = 12,072,678,379,776
5. Step 5: Solve for x
   x = 12,072,678,379,776/1,648,728
6. Step 6: Final answer
   x = 7,322,419.70