Finding the Third Proportional to 1,556,443.50 and 3,408,132

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556,443.50 : 3,408,132 = 3,408,132 : x
2. Step 2: Convert to fraction form
   1,556,443.50/3,408,132 = 3,408,132/x
3. Step 3: Cross multiply
   1,556,443.50x = 3,408,132 × 3,408,132
4. Step 4: Simplify right side
   1,556,443.50x = 11,615,363,729,424
5. Step 5: Solve for x
   x = 11,615,363,729,424/1,556,443.50
6. Step 6: Final answer
   x = 7,462,759.64