Finding the Third Proportional to 262,453.50 and 542,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,453.50 : 542,401.50 = 542,401.50 : x
2. Step 2: Convert to fraction form
   262,453.50/542,401.50 = 542,401.50/x
3. Step 3: Cross multiply
   262,453.50x = 542,401.50 × 542,401.50
4. Step 4: Simplify right side
   262,453.50x = 294,199,387,202.25
5. Step 5: Solve for x
   x = 294,199,387,202.25/262,453.50
6. Step 6: Final answer
   x = 1,120,958.14