Finding the Third Proportional to 3,922,965 and 8,465,212

Step by Step Solution

1. Step 1: Write the proportion equation
   3,922,965 : 8,465,212 = 8,465,212 : x
2. Step 2: Convert to fraction form
   3,922,965/8,465,212 = 8,465,212/x
3. Step 3: Cross multiply
   3,922,965x = 8,465,212 × 8,465,212
4. Step 4: Simplify right side
   3,922,965x = 71,659,814,204,944
5. Step 5: Solve for x
   x = 71,659,814,204,944/3,922,965
6. Step 6: Final answer
   x = 18,266,748.29