Finding the Third Proportional to 217,424 and 466,988

Step by Step Solution

1. Step 1: Write the proportion equation
   217,424 : 466,988 = 466,988 : x
2. Step 2: Convert to fraction form
   217,424/466,988 = 466,988/x
3. Step 3: Cross multiply
   217,424x = 466,988 × 466,988
4. Step 4: Simplify right side
   217,424x = 218,077,792,144
5. Step 5: Solve for x
   x = 218,077,792,144/217,424
6. Step 6: Final answer
   x = 1,003,006.99