Finding the Third Proportional to 4,163,729 and 6,245,648

Step by Step Solution

1. Step 1: Write the proportion equation
   4,163,729 : 6,245,648 = 6,245,648 : x
2. Step 2: Convert to fraction form
   4,163,729/6,245,648 = 6,245,648/x
3. Step 3: Cross multiply
   4,163,729x = 6,245,648 × 6,245,648
4. Step 4: Simplify right side
   4,163,729x = 39,008,118,939,904
5. Step 5: Solve for x
   x = 39,008,118,939,904/4,163,729
6. Step 6: Final answer
   x = 9,368,553.75