Finding the Third Proportional to 3,209,436 and 4,985,556

Step by Step Solution

1. Step 1: Write the proportion equation
   3,209,436 : 4,985,556 = 4,985,556 : x
2. Step 2: Convert to fraction form
   3,209,436/4,985,556 = 4,985,556/x
3. Step 3: Cross multiply
   3,209,436x = 4,985,556 × 4,985,556
4. Step 4: Simplify right side
   3,209,436x = 24,855,768,629,136
5. Step 5: Solve for x
   x = 24,855,768,629,136/3,209,436
6. Step 6: Final answer
   x = 7,744,590.83