Finding the Third Proportional to 3,846,842 and 8,208,556

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846,842 : 8,208,556 = 8,208,556 : x
2. Step 2: Convert to fraction form
   3,846,842/8,208,556 = 8,208,556/x
3. Step 3: Cross multiply
   3,846,842x = 8,208,556 × 8,208,556
4. Step 4: Simplify right side
   3,846,842x = 67,380,391,605,136
5. Step 5: Solve for x
   x = 67,380,391,605,136/3,846,842
6. Step 6: Final answer
   x = 17,515,767.90