Finding the Third Proportional to 124,538 and 270,019

Step by Step Solution

1. Step 1: Write the proportion equation
   124,538 : 270,019 = 270,019 : x
2. Step 2: Convert to fraction form
   124,538/270,019 = 270,019/x
3. Step 3: Cross multiply
   124,538x = 270,019 × 270,019
4. Step 4: Simplify right side
   124,538x = 72,910,260,361
5. Step 5: Solve for x
   x = 72,910,260,361/124,538
6. Step 6: Final answer
   x = 585,445.89