Finding the Third Proportional to 124,757.50 and 270,839

Step by Step Solution

1. Step 1: Write the proportion equation
   124,757.50 : 270,839 = 270,839 : x
2. Step 2: Convert to fraction form
   124,757.50/270,839 = 270,839/x
3. Step 3: Cross multiply
   124,757.50x = 270,839 × 270,839
4. Step 4: Simplify right side
   124,757.50x = 73,353,763,921
5. Step 5: Solve for x
   x = 73,353,763,921/124,757.50
6. Step 6: Final answer
   x = 587,970.77