Finding the Third Proportional to 2,021,067 and 4,322,178

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,067 : 4,322,178 = 4,322,178 : x
2. Step 2: Convert to fraction form
   2,021,067/4,322,178 = 4,322,178/x
3. Step 3: Cross multiply
   2,021,067x = 4,322,178 × 4,322,178
4. Step 4: Simplify right side
   2,021,067x = 18,681,222,663,684
5. Step 5: Solve for x
   x = 18,681,222,663,684/2,021,067
6. Step 6: Final answer
   x = 9,243,247.58