Finding the Third Proportional to 356,280 and 568,116

Step by Step Solution

1. Step 1: Write the proportion equation
   356,280 : 568,116 = 568,116 : x
2. Step 2: Convert to fraction form
   356,280/568,116 = 568,116/x
3. Step 3: Cross multiply
   356,280x = 568,116 × 568,116
4. Step 4: Simplify right side
   356,280x = 322,755,789,456
5. Step 5: Solve for x
   x = 322,755,789,456/356,280
6. Step 6: Final answer
   x = 905,904.88