Finding the Third Proportional to 262,570.50 and 534,780

Step by Step Solution

1. Step 1: Write the proportion equation
   262,570.50 : 534,780 = 534,780 : x
2. Step 2: Convert to fraction form
   262,570.50/534,780 = 534,780/x
3. Step 3: Cross multiply
   262,570.50x = 534,780 × 534,780
4. Step 4: Simplify right side
   262,570.50x = 285,989,648,400
5. Step 5: Solve for x
   x = 285,989,648,400/262,570.50
6. Step 6: Final answer
   x = 1,089,191.85