Finding the Third Proportional to 132,267 and 285,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,267 : 285,442.50 = 285,442.50 : x
2. Step 2: Convert to fraction form
   132,267/285,442.50 = 285,442.50/x
3. Step 3: Cross multiply
   132,267x = 285,442.50 × 285,442.50
4. Step 4: Simplify right side
   132,267x = 81,477,420,806.25
5. Step 5: Solve for x
   x = 81,477,420,806.25/132,267
6. Step 6: Final answer
   x = 616,007.17