Finding the Third Proportional to 199,557 and 301,408.88

Step by Step Solution

1. Step 1: Write the proportion equation
   199,557 : 301,408.88 = 301,408.88 : x
2. Step 2: Convert to fraction form
   199,557/301,408.88 = 301,408.88/x
3. Step 3: Cross multiply
   199,557x = 301,408.88 × 301,408.88
4. Step 4: Simplify right side
   199,557x = 90,847,309,928.77
5. Step 5: Solve for x
   x = 90,847,309,928.77/199,557
6. Step 6: Final answer
   x = 455,244.92