Finding the Third Proportional to 1,839,708 and 4,021,416

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839,708 : 4,021,416 = 4,021,416 : x
2. Step 2: Convert to fraction form
   1,839,708/4,021,416 = 4,021,416/x
3. Step 3: Cross multiply
   1,839,708x = 4,021,416 × 4,021,416
4. Step 4: Simplify right side
   1,839,708x = 16,171,786,645,056
5. Step 5: Solve for x
   x = 16,171,786,645,056/1,839,708
6. Step 6: Final answer
   x = 8,790,409.48