Finding the Third Proportional to 124,498.50 and 270,107.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,498.50 : 270,107.50 = 270,107.50 : x
2. Step 2: Convert to fraction form
   124,498.50/270,107.50 = 270,107.50/x
3. Step 3: Cross multiply
   124,498.50x = 270,107.50 × 270,107.50
4. Step 4: Simplify right side
   124,498.50x = 72,958,061,556.25
5. Step 5: Solve for x
   x = 72,958,061,556.25/124,498.50
6. Step 6: Final answer
   x = 586,015.59