Finding the Third Proportional to 3,644,074 and 8,436,184

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644,074 : 8,436,184 = 8,436,184 : x
2. Step 2: Convert to fraction form
   3,644,074/8,436,184 = 8,436,184/x
3. Step 3: Cross multiply
   3,644,074x = 8,436,184 × 8,436,184
4. Step 4: Simplify right side
   3,644,074x = 71,169,200,481,856
5. Step 5: Solve for x
   x = 71,169,200,481,856/3,644,074
6. Step 6: Final answer
   x = 19,530,119.44