Finding the Third Proportional to 1,854,684 and 3,908,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,684 : 3,908,628 = 3,908,628 : x
2. Step 2: Convert to fraction form
   1,854,684/3,908,628 = 3,908,628/x
3. Step 3: Cross multiply
   1,854,684x = 3,908,628 × 3,908,628
4. Step 4: Simplify right side
   1,854,684x = 15,277,372,842,384
5. Step 5: Solve for x
   x = 15,277,372,842,384/1,854,684
6. Step 6: Final answer
   x = 8,237,183.72