Finding the Third Proportional to 3,115,462 and 4,550,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,115,462 : 4,550,648 = 4,550,648 : x
2. Step 2: Convert to fraction form
   3,115,462/4,550,648 = 4,550,648/x
3. Step 3: Cross multiply
   3,115,462x = 4,550,648 × 4,550,648
4. Step 4: Simplify right side
   3,115,462x = 20,708,397,219,904
5. Step 5: Solve for x
   x = 20,708,397,219,904/3,115,462
6. Step 6: Final answer
   x = 6,646,974.74