Finding the Third Proportional to 1,521,456 and 3,212,675

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,456 : 3,212,675 = 3,212,675 : x
2. Step 2: Convert to fraction form
   1,521,456/3,212,675 = 3,212,675/x
3. Step 3: Cross multiply
   1,521,456x = 3,212,675 × 3,212,675
4. Step 4: Simplify right side
   1,521,456x = 10,321,280,655,625
5. Step 5: Solve for x
   x = 10,321,280,655,625/1,521,456
6. Step 6: Final answer
   x = 6,783,818.04