Finding the Third Proportional to 16,885 and 36,385

Step by Step Solution

1. Step 1: Write the proportion equation
   16,885 : 36,385 = 36,385 : x
2. Step 2: Convert to fraction form
   16,885/36,385 = 36,385/x
3. Step 3: Cross multiply
   16,885x = 36,385 × 36,385
4. Step 4: Simplify right side
   16,885x = 1,323,868,225
5. Step 5: Solve for x
   x = 1,323,868,225/16,885
6. Step 6: Final answer
   x = 78,404.99