Finding the Third Proportional to 3,556,622 and 8,391,941

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,622 : 8,391,941 = 8,391,941 : x
2. Step 2: Convert to fraction form
   3,556,622/8,391,941 = 8,391,941/x
3. Step 3: Cross multiply
   3,556,622x = 8,391,941 × 8,391,941
4. Step 4: Simplify right side
   3,556,622x = 70,424,673,747,481
5. Step 5: Solve for x
   x = 70,424,673,747,481/3,556,622
6. Step 6: Final answer
   x = 19,801,000.43