Finding the Third Proportional to 85,868 and 131,353

Step by Step Solution

1. Step 1: Write the proportion equation
   85,868 : 131,353 = 131,353 : x
2. Step 2: Convert to fraction form
   85,868/131,353 = 131,353/x
3. Step 3: Cross multiply
   85,868x = 131,353 × 131,353
4. Step 4: Simplify right side
   85,868x = 17,253,610,609
5. Step 5: Solve for x
   x = 17,253,610,609/85,868
6. Step 6: Final answer
   x = 200,931.79