Finding the Third Proportional to 2,212,800 and 3,417,456

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,800 : 3,417,456 = 3,417,456 : x
2. Step 2: Convert to fraction form
   2,212,800/3,417,456 = 3,417,456/x
3. Step 3: Cross multiply
   2,212,800x = 3,417,456 × 3,417,456
4. Step 4: Simplify right side
   2,212,800x = 11,679,005,511,936
5. Step 5: Solve for x
   x = 11,679,005,511,936/2,212,800
6. Step 6: Final answer
   x = 5,277,930.91