Finding the Third Proportional to 218,736 and 471,613.50

Step by Step Solution

1. Step 1: Write the proportion equation
   218,736 : 471,613.50 = 471,613.50 : x
2. Step 2: Convert to fraction form
   218,736/471,613.50 = 471,613.50/x
3. Step 3: Cross multiply
   218,736x = 471,613.50 × 471,613.50
4. Step 4: Simplify right side
   218,736x = 222,419,293,382.25
5. Step 5: Solve for x
   x = 222,419,293,382.25/218,736
6. Step 6: Final answer
   x = 1,016,838.99