Finding the Third Proportional to 2,659,851 and 4,212,456

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659,851 : 4,212,456 = 4,212,456 : x
2. Step 2: Convert to fraction form
   2,659,851/4,212,456 = 4,212,456/x
3. Step 3: Cross multiply
   2,659,851x = 4,212,456 × 4,212,456
4. Step 4: Simplify right side
   2,659,851x = 17,744,785,551,936
5. Step 5: Solve for x
   x = 17,744,785,551,936/2,659,851
6. Step 6: Final answer
   x = 6,671,345.71