Finding the Third Proportional to 1,800,866 and 3,933,508

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800,866 : 3,933,508 = 3,933,508 : x
2. Step 2: Convert to fraction form
   1,800,866/3,933,508 = 3,933,508/x
3. Step 3: Cross multiply
   1,800,866x = 3,933,508 × 3,933,508
4. Step 4: Simplify right side
   1,800,866x = 15,472,485,186,064
5. Step 5: Solve for x
   x = 15,472,485,186,064/1,800,866
6. Step 6: Final answer
   x = 8,591,691.55