Finding the Third Proportional to 217,176 and 471,472

Step by Step Solution

1. Step 1: Write the proportion equation
   217,176 : 471,472 = 471,472 : x
2. Step 2: Convert to fraction form
   217,176/471,472 = 471,472/x
3. Step 3: Cross multiply
   217,176x = 471,472 × 471,472
4. Step 4: Simplify right side
   217,176x = 222,285,846,784
5. Step 5: Solve for x
   x = 222,285,846,784/217,176
6. Step 6: Final answer
   x = 1,023,528.60