Finding the Third Proportional to 272,466 and 404,811

Step by Step Solution

1. Step 1: Write the proportion equation
   272,466 : 404,811 = 404,811 : x
2. Step 2: Convert to fraction form
   272,466/404,811 = 404,811/x
3. Step 3: Cross multiply
   272,466x = 404,811 × 404,811
4. Step 4: Simplify right side
   272,466x = 163,871,945,721
5. Step 5: Solve for x
   x = 163,871,945,721/272,466
6. Step 6: Final answer
   x = 601,439.98