Finding the Third Proportional to 253,131.75 and 550,651.50

Step by Step Solution

1. Step 1: Write the proportion equation
   253,131.75 : 550,651.50 = 550,651.50 : x
2. Step 2: Convert to fraction form
   253,131.75/550,651.50 = 550,651.50/x
3. Step 3: Cross multiply
   253,131.75x = 550,651.50 × 550,651.50
4. Step 4: Simplify right side
   253,131.75x = 303,217,074,452.25
5. Step 5: Solve for x
   x = 303,217,074,452.25/253,131.75
6. Step 6: Final answer
   x = 1,197,862.67