Finding the Third Proportional to 271,418 and 573,456

Step by Step Solution

1. Step 1: Write the proportion equation
   271,418 : 573,456 = 573,456 : x
2. Step 2: Convert to fraction form
   271,418/573,456 = 573,456/x
3. Step 3: Cross multiply
   271,418x = 573,456 × 573,456
4. Step 4: Simplify right side
   271,418x = 328,851,783,936
5. Step 5: Solve for x
   x = 328,851,783,936/271,418
6. Step 6: Final answer
   x = 1,211,606.39