Finding the Third Proportional to 3,864,806 and 8,395,556

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864,806 : 8,395,556 = 8,395,556 : x
2. Step 2: Convert to fraction form
   3,864,806/8,395,556 = 8,395,556/x
3. Step 3: Cross multiply
   3,864,806x = 8,395,556 × 8,395,556
4. Step 4: Simplify right side
   3,864,806x = 70,485,360,549,136
5. Step 5: Solve for x
   x = 70,485,360,549,136/3,864,806
6. Step 6: Final answer
   x = 18,237,748.69