Finding the Third Proportional to 132,540.50 and 284,857

Step by Step Solution

1. Step 1: Write the proportion equation
   132,540.50 : 284,857 = 284,857 : x
2. Step 2: Convert to fraction form
   132,540.50/284,857 = 284,857/x
3. Step 3: Cross multiply
   132,540.50x = 284,857 × 284,857
4. Step 4: Simplify right side
   132,540.50x = 81,143,510,449
5. Step 5: Solve for x
   x = 81,143,510,449/132,540.50
6. Step 6: Final answer
   x = 612,216.72