Finding the Third Proportional to 555,408 and 1,150,200

Step by Step Solution

1. Step 1: Write the proportion equation
   555,408 : 1,150,200 = 1,150,200 : x
2. Step 2: Convert to fraction form
   555,408/1,150,200 = 1,150,200/x
3. Step 3: Cross multiply
   555,408x = 1,150,200 × 1,150,200
4. Step 4: Simplify right side
   555,408x = 1,322,960,040,000
5. Step 5: Solve for x
   x = 1,322,960,040,000/555,408
6. Step 6: Final answer
   x = 2,381,960.72