Finding the Third Proportional to 3,781,476 and 5,509,728

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781,476 : 5,509,728 = 5,509,728 : x
2. Step 2: Convert to fraction form
   3,781,476/5,509,728 = 5,509,728/x
3. Step 3: Cross multiply
   3,781,476x = 5,509,728 × 5,509,728
4. Step 4: Simplify right side
   3,781,476x = 30,357,102,633,984
5. Step 5: Solve for x
   x = 30,357,102,633,984/3,781,476
6. Step 6: Final answer
   x = 8,027,844.85