Finding the Third Proportional to 1,556,455 and 3,408,155

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556,455 : 3,408,155 = 3,408,155 : x
2. Step 2: Convert to fraction form
   1,556,455/3,408,155 = 3,408,155/x
3. Step 3: Cross multiply
   1,556,455x = 3,408,155 × 3,408,155
4. Step 4: Simplify right side
   1,556,455x = 11,615,520,504,025
5. Step 5: Solve for x
   x = 11,615,520,504,025/1,556,455
6. Step 6: Final answer
   x = 7,462,805.22