Finding the Third Proportional to 2,578,208 and 5,671,936

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578,208 : 5,671,936 = 5,671,936 : x
2. Step 2: Convert to fraction form
   2,578,208/5,671,936 = 5,671,936/x
3. Step 3: Cross multiply
   2,578,208x = 5,671,936 × 5,671,936
4. Step 4: Simplify right side
   2,578,208x = 32,170,857,988,096
5. Step 5: Solve for x
   x = 32,170,857,988,096/2,578,208
6. Step 6: Final answer
   x = 12,477,991.69