Finding the Third Proportional to 262,404 and 551,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,404 : 551,245.50 = 551,245.50 : x
2. Step 2: Convert to fraction form
   262,404/551,245.50 = 551,245.50/x
3. Step 3: Cross multiply
   262,404x = 551,245.50 × 551,245.50
4. Step 4: Simplify right side
   262,404x = 303,871,601,270.25
5. Step 5: Solve for x
   x = 303,871,601,270.25/262,404
6. Step 6: Final answer
   x = 1,158,029.61