Finding the Third Proportional to 269,188 and 585,520

Step by Step Solution

1. Step 1: Write the proportion equation
   269,188 : 585,520 = 585,520 : x
2. Step 2: Convert to fraction form
   269,188/585,520 = 585,520/x
3. Step 3: Cross multiply
   269,188x = 585,520 × 585,520
4. Step 4: Simplify right side
   269,188x = 342,833,670,400
5. Step 5: Solve for x
   x = 342,833,670,400/269,188
6. Step 6: Final answer
   x = 1,273,584.52