Finding the Third Proportional to 91,892 and 200,192

Step by Step Solution

1. Step 1: Write the proportion equation
   91,892 : 200,192 = 200,192 : x
2. Step 2: Convert to fraction form
   91,892/200,192 = 200,192/x
3. Step 3: Cross multiply
   91,892x = 200,192 × 200,192
4. Step 4: Simplify right side
   91,892x = 40,076,836,864
5. Step 5: Solve for x
   x = 40,076,836,864/91,892
6. Step 6: Final answer
   x = 436,129.77