Finding the Third Proportional to 3,171,965 and 4,521,751

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,965 : 4,521,751 = 4,521,751 : x
2. Step 2: Convert to fraction form
   3,171,965/4,521,751 = 4,521,751/x
3. Step 3: Cross multiply
   3,171,965x = 4,521,751 × 4,521,751
4. Step 4: Simplify right side
   3,171,965x = 20,446,232,106,001
5. Step 5: Solve for x
   x = 20,446,232,106,001/3,171,965
6. Step 6: Final answer
   x = 6,445,919.83