Finding the Third Proportional to 3,171,966 and 4,521,753

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,966 : 4,521,753 = 4,521,753 : x
2. Step 2: Convert to fraction form
   3,171,966/4,521,753 = 4,521,753/x
3. Step 3: Cross multiply
   3,171,966x = 4,521,753 × 4,521,753
4. Step 4: Simplify right side
   3,171,966x = 20,446,250,193,009
5. Step 5: Solve for x
   x = 20,446,250,193,009/3,171,966
6. Step 6: Final answer
   x = 6,445,923.50