Finding the Third Proportional to 125,836.50 and 276,540

Step by Step Solution

1. Step 1: Write the proportion equation
   125,836.50 : 276,540 = 276,540 : x
2. Step 2: Convert to fraction form
   125,836.50/276,540 = 276,540/x
3. Step 3: Cross multiply
   125,836.50x = 276,540 × 276,540
4. Step 4: Simplify right side
   125,836.50x = 76,474,371,600
5. Step 5: Solve for x
   x = 76,474,371,600/125,836.50
6. Step 6: Final answer
   x = 607,728.06