Finding the Third Proportional to 262,300.50 and 470,621.25

Step by Step Solution

1. Step 1: Write the proportion equation
   262,300.50 : 470,621.25 = 470,621.25 : x
2. Step 2: Convert to fraction form
   262,300.50/470,621.25 = 470,621.25/x
3. Step 3: Cross multiply
   262,300.50x = 470,621.25 × 470,621.25
4. Step 4: Simplify right side
   262,300.50x = 221,484,360,951.56
5. Step 5: Solve for x
   x = 221,484,360,951.56/262,300.50
6. Step 6: Final answer
   x = 844,391.68