Finding the Third Proportional to 131,771 and 288,936

Step by Step Solution

1. Step 1: Write the proportion equation
   131,771 : 288,936 = 288,936 : x
2. Step 2: Convert to fraction form
   131,771/288,936 = 288,936/x
3. Step 3: Cross multiply
   131,771x = 288,936 × 288,936
4. Step 4: Simplify right side
   131,771x = 83,484,012,096
5. Step 5: Solve for x
   x = 83,484,012,096/131,771
6. Step 6: Final answer
   x = 633,553.76