Finding the Third Proportional to 1,800,868 and 3,933,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800,868 : 3,933,512 = 3,933,512 : x
2. Step 2: Convert to fraction form
   1,800,868/3,933,512 = 3,933,512/x
3. Step 3: Cross multiply
   1,800,868x = 3,933,512 × 3,933,512
4. Step 4: Simplify right side
   1,800,868x = 15,472,516,654,144
5. Step 5: Solve for x
   x = 15,472,516,654,144/1,800,868
6. Step 6: Final answer
   x = 8,591,699.48