Finding the Third Proportional to 1,839,696 and 4,021,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839,696 : 4,021,392 = 4,021,392 : x
2. Step 2: Convert to fraction form
   1,839,696/4,021,392 = 4,021,392/x
3. Step 3: Cross multiply
   1,839,696x = 4,021,392 × 4,021,392
4. Step 4: Simplify right side
   1,839,696x = 16,171,593,617,664
5. Step 5: Solve for x
   x = 16,171,593,617,664/1,839,696
6. Step 6: Final answer
   x = 8,790,361.90