Finding the Third Proportional to 3,257,856 and 4,284,143

Step by Step Solution

1. Step 1: Write the proportion equation
   3,257,856 : 4,284,143 = 4,284,143 : x
2. Step 2: Convert to fraction form
   3,257,856/4,284,143 = 4,284,143/x
3. Step 3: Cross multiply
   3,257,856x = 4,284,143 × 4,284,143
4. Step 4: Simplify right side
   3,257,856x = 18,353,881,244,449
5. Step 5: Solve for x
   x = 18,353,881,244,449/3,257,856
6. Step 6: Final answer
   x = 5,633,730.05