Finding the Third Proportional to 217,844 and 471,876

Step by Step Solution

1. Step 1: Write the proportion equation
   217,844 : 471,876 = 471,876 : x
2. Step 2: Convert to fraction form
   217,844/471,876 = 471,876/x
3. Step 3: Cross multiply
   217,844x = 471,876 × 471,876
4. Step 4: Simplify right side
   217,844x = 222,666,959,376
5. Step 5: Solve for x
   x = 222,666,959,376/217,844
6. Step 6: Final answer
   x = 1,022,139.51