Finding the Third Proportional to 132,192 and 205,200

Step by Step Solution

1. Step 1: Write the proportion equation
   132,192 : 205,200 = 205,200 : x
2. Step 2: Convert to fraction form
   132,192/205,200 = 205,200/x
3. Step 3: Cross multiply
   132,192x = 205,200 × 205,200
4. Step 4: Simplify right side
   132,192x = 42,107,040,000
5. Step 5: Solve for x
   x = 42,107,040,000/132,192
6. Step 6: Final answer
   x = 318,529.41