Finding the Third Proportional to 188,892 and 408,231.56

Step by Step Solution

1. Step 1: Write the proportion equation
   188,892 : 408,231.56 = 408,231.56 : x
2. Step 2: Convert to fraction form
   188,892/408,231.56 = 408,231.56/x
3. Step 3: Cross multiply
   188,892x = 408,231.56 × 408,231.56
4. Step 4: Simplify right side
   188,892x = 166,653,008,621.19
5. Step 5: Solve for x
   x = 166,653,008,621.19/188,892
6. Step 6: Final answer
   x = 882,266.10