Finding the Third Proportional to 4,487,728 and 9,240,084

Step by Step Solution

1. Step 1: Write the proportion equation
   4,487,728 : 9,240,084 = 9,240,084 : x
2. Step 2: Convert to fraction form
   4,487,728/9,240,084 = 9,240,084/x
3. Step 3: Cross multiply
   4,487,728x = 9,240,084 × 9,240,084
4. Step 4: Simplify right side
   4,487,728x = 85,379,152,327,056
5. Step 5: Solve for x
   x = 85,379,152,327,056/4,487,728
6. Step 6: Final answer
   x = 19,025,028.33