Finding the Third Proportional to 255,061.50 and 374,814

Step by Step Solution

1. Step 1: Write the proportion equation
   255,061.50 : 374,814 = 374,814 : x
2. Step 2: Convert to fraction form
   255,061.50/374,814 = 374,814/x
3. Step 3: Cross multiply
   255,061.50x = 374,814 × 374,814
4. Step 4: Simplify right side
   255,061.50x = 140,485,534,596
5. Step 5: Solve for x
   x = 140,485,534,596/255,061.50
6. Step 6: Final answer
   x = 550,790.83