Finding the Third Proportional to 1,816,198 and 3,951,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816,198 : 3,951,628 = 3,951,628 : x
2. Step 2: Convert to fraction form
   1,816,198/3,951,628 = 3,951,628/x
3. Step 3: Cross multiply
   1,816,198x = 3,951,628 × 3,951,628
4. Step 4: Simplify right side
   1,816,198x = 15,615,363,850,384
5. Step 5: Solve for x
   x = 15,615,363,850,384/1,816,198
6. Step 6: Final answer
   x = 8,597,831.21