Finding the Third Proportional to 132,991 and 284,665

Step by Step Solution

1. Step 1: Write the proportion equation
   132,991 : 284,665 = 284,665 : x
2. Step 2: Convert to fraction form
   132,991/284,665 = 284,665/x
3. Step 3: Cross multiply
   132,991x = 284,665 × 284,665
4. Step 4: Simplify right side
   132,991x = 81,034,162,225
5. Step 5: Solve for x
   x = 81,034,162,225/132,991
6. Step 6: Final answer
   x = 609,320.65