Finding the Third Proportional to 3,806,247 and 8,369,556

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806,247 : 8,369,556 = 8,369,556 : x
2. Step 2: Convert to fraction form
   3,806,247/8,369,556 = 8,369,556/x
3. Step 3: Cross multiply
   3,806,247x = 8,369,556 × 8,369,556
4. Step 4: Simplify right side
   3,806,247x = 70,049,467,637,136
5. Step 5: Solve for x
   x = 70,049,467,637,136/3,806,247
6. Step 6: Final answer
   x = 18,403,815.53