Finding the Third Proportional to 2,786,928 and 4,072,857

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786,928 : 4,072,857 = 4,072,857 : x
2. Step 2: Convert to fraction form
   2,786,928/4,072,857 = 4,072,857/x
3. Step 3: Cross multiply
   2,786,928x = 4,072,857 × 4,072,857
4. Step 4: Simplify right side
   2,786,928x = 16,588,164,142,449
5. Step 5: Solve for x
   x = 16,588,164,142,449/2,786,928
6. Step 6: Final answer
   x = 5,952,132.29