Finding the Third Proportional to 274,772 and 579,064

Step by Step Solution

1. Step 1: Write the proportion equation
   274,772 : 579,064 = 579,064 : x
2. Step 2: Convert to fraction form
   274,772/579,064 = 579,064/x
3. Step 3: Cross multiply
   274,772x = 579,064 × 579,064
4. Step 4: Simplify right side
   274,772x = 335,315,116,096
5. Step 5: Solve for x
   x = 335,315,116,096/274,772
6. Step 6: Final answer
   x = 1,220,339.47