Finding the Third Proportional to 254,209.50 and 501,993

Step by Step Solution

1. Step 1: Write the proportion equation
   254,209.50 : 501,993 = 501,993 : x
2. Step 2: Convert to fraction form
   254,209.50/501,993 = 501,993/x
3. Step 3: Cross multiply
   254,209.50x = 501,993 × 501,993
4. Step 4: Simplify right side
   254,209.50x = 251,996,972,049
5. Step 5: Solve for x
   x = 251,996,972,049/254,209.50
6. Step 6: Final answer
   x = 991,296.44