Finding the Third Proportional to 131,456 and 282,616

Step by Step Solution

1. Step 1: Write the proportion equation
   131,456 : 282,616 = 282,616 : x
2. Step 2: Convert to fraction form
   131,456/282,616 = 282,616/x
3. Step 3: Cross multiply
   131,456x = 282,616 × 282,616
4. Step 4: Simplify right side
   131,456x = 79,871,803,456
5. Step 5: Solve for x
   x = 79,871,803,456/131,456
6. Step 6: Final answer
   x = 607,593.44