Finding the Third Proportional to 262,478.50 and 562,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,478.50 : 562,131.50 = 562,131.50 : x
2. Step 2: Convert to fraction form
   262,478.50/562,131.50 = 562,131.50/x
3. Step 3: Cross multiply
   262,478.50x = 562,131.50 × 562,131.50
4. Step 4: Simplify right side
   262,478.50x = 315,991,823,292.25
5. Step 5: Solve for x
   x = 315,991,823,292.25/262,478.50
6. Step 6: Final answer
   x = 1,203,876.98