Finding the Third Proportional to 2,839,936 and 4,289,472

Step by Step Solution

1. Step 1: Write the proportion equation
   2,839,936 : 4,289,472 = 4,289,472 : x
2. Step 2: Convert to fraction form
   2,839,936/4,289,472 = 4,289,472/x
3. Step 3: Cross multiply
   2,839,936x = 4,289,472 × 4,289,472
4. Step 4: Simplify right side
   2,839,936x = 18,399,570,038,784
5. Step 5: Solve for x
   x = 18,399,570,038,784/2,839,936
6. Step 6: Final answer
   x = 6,478,867.85