Finding the Third Proportional to 216,942 and 471,198

Step by Step Solution

1. Step 1: Write the proportion equation
   216,942 : 471,198 = 471,198 : x
2. Step 2: Convert to fraction form
   216,942/471,198 = 471,198/x
3. Step 3: Cross multiply
   216,942x = 471,198 × 471,198
4. Step 4: Simplify right side
   216,942x = 222,027,555,204
5. Step 5: Solve for x
   x = 222,027,555,204/216,942
6. Step 6: Final answer
   x = 1,023,442.00