Finding the Third Proportional to 187,442 and 404,822

Step by Step Solution

1. Step 1: Write the proportion equation
   187,442 : 404,822 = 404,822 : x
2. Step 2: Convert to fraction form
   187,442/404,822 = 404,822/x
3. Step 3: Cross multiply
   187,442x = 404,822 × 404,822
4. Step 4: Simplify right side
   187,442x = 163,880,851,684
5. Step 5: Solve for x
   x = 163,880,851,684/187,442
6. Step 6: Final answer
   x = 874,301.66