Finding the Third Proportional to 315,114.75 and 413,622

Step by Step Solution

1. Step 1: Write the proportion equation
   315,114.75 : 413,622 = 413,622 : x
2. Step 2: Convert to fraction form
   315,114.75/413,622 = 413,622/x
3. Step 3: Cross multiply
   315,114.75x = 413,622 × 413,622
4. Step 4: Simplify right side
   315,114.75x = 171,083,158,884
5. Step 5: Solve for x
   x = 171,083,158,884/315,114.75
6. Step 6: Final answer
   x = 542,923.36