Finding the Third Proportional to 217,560 and 474,972

Step by Step Solution

1. Step 1: Write the proportion equation
   217,560 : 474,972 = 474,972 : x
2. Step 2: Convert to fraction form
   217,560/474,972 = 474,972/x
3. Step 3: Cross multiply
   217,560x = 474,972 × 474,972
4. Step 4: Simplify right side
   217,560x = 225,598,400,784
5. Step 5: Solve for x
   x = 225,598,400,784/217,560
6. Step 6: Final answer
   x = 1,036,947.97