Finding the Third Proportional to 3,405,556 and 5,122,636

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,556 : 5,122,636 = 5,122,636 : x
2. Step 2: Convert to fraction form
   3,405,556/5,122,636 = 5,122,636/x
3. Step 3: Cross multiply
   3,405,556x = 5,122,636 × 5,122,636
4. Step 4: Simplify right side
   3,405,556x = 26,241,399,588,496
5. Step 5: Solve for x
   x = 26,241,399,588,496/3,405,556
6. Step 6: Final answer
   x = 7,705,467.06