Finding the Third Proportional to 125,143.50 and 269,970

Step by Step Solution

1. Step 1: Write the proportion equation
   125,143.50 : 269,970 = 269,970 : x
2. Step 2: Convert to fraction form
   125,143.50/269,970 = 269,970/x
3. Step 3: Cross multiply
   125,143.50x = 269,970 × 269,970
4. Step 4: Simplify right side
   125,143.50x = 72,883,800,900
5. Step 5: Solve for x
   x = 72,883,800,900/125,143.50
6. Step 6: Final answer
   x = 582,401.81