Finding the Third Proportional to 39,231 and 85,799

Step by Step Solution

1. Step 1: Write the proportion equation
   39,231 : 85,799 = 85,799 : x
2. Step 2: Convert to fraction form
   39,231/85,799 = 85,799/x
3. Step 3: Cross multiply
   39,231x = 85,799 × 85,799
4. Step 4: Simplify right side
   39,231x = 7,361,468,401
5. Step 5: Solve for x
   x = 7,361,468,401/39,231
6. Step 6: Final answer
   x = 187,644.17