Finding the Third Proportional to 85,860 and 131,342

Step by Step Solution

1. Step 1: Write the proportion equation
   85,860 : 131,342 = 131,342 : x
2. Step 2: Convert to fraction form
   85,860/131,342 = 131,342/x
3. Step 3: Cross multiply
   85,860x = 131,342 × 131,342
4. Step 4: Simplify right side
   85,860x = 17,250,720,964
5. Step 5: Solve for x
   x = 17,250,720,964/85,860
6. Step 6: Final answer
   x = 200,916.85