Finding the Third Proportional to 262,453.50 and 574,782

Step by Step Solution

1. Step 1: Write the proportion equation
   262,453.50 : 574,782 = 574,782 : x
2. Step 2: Convert to fraction form
   262,453.50/574,782 = 574,782/x
3. Step 3: Cross multiply
   262,453.50x = 574,782 × 574,782
4. Step 4: Simplify right side
   262,453.50x = 330,374,347,524
5. Step 5: Solve for x
   x = 330,374,347,524/262,453.50
6. Step 6: Final answer
   x = 1,258,791.93