Finding the Third Proportional to 188,892 and 414,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,892 : 414,991.50 = 414,991.50 : x
2. Step 2: Convert to fraction form
   188,892/414,991.50 = 414,991.50/x
3. Step 3: Cross multiply
   188,892x = 414,991.50 × 414,991.50
4. Step 4: Simplify right side
   188,892x = 172,217,945,072.25
5. Step 5: Solve for x
   x = 172,217,945,072.25/188,892
6. Step 6: Final answer
   x = 911,727.05