Finding the Third Proportional to 3,633,890 and 7,644,436

Step by Step Solution

1. Step 1: Write the proportion equation
   3,633,890 : 7,644,436 = 7,644,436 : x
2. Step 2: Convert to fraction form
   3,633,890/7,644,436 = 7,644,436/x
3. Step 3: Cross multiply
   3,633,890x = 7,644,436 × 7,644,436
4. Step 4: Simplify right side
   3,633,890x = 58,437,401,758,096
5. Step 5: Solve for x
   x = 58,437,401,758,096/3,633,890
6. Step 6: Final answer
   x = 16,081,224.74