Finding the Third Proportional to 217,827.28 and 471,843

Step by Step Solution

1. Step 1: Write the proportion equation
   217,827.28 : 471,843 = 471,843 : x
2. Step 2: Convert to fraction form
   217,827.28/471,843 = 471,843/x
3. Step 3: Cross multiply
   217,827.28x = 471,843 × 471,843
4. Step 4: Simplify right side
   217,827.28x = 222,635,816,649
5. Step 5: Solve for x
   x = 222,635,816,649/217,827.28
6. Step 6: Final answer
   x = 1,022,074.99