Finding the Third Proportional to 269,494.50 and 586,800

Step by Step Solution

1. Step 1: Write the proportion equation
   269,494.50 : 586,800 = 586,800 : x
2. Step 2: Convert to fraction form
   269,494.50/586,800 = 586,800/x
3. Step 3: Cross multiply
   269,494.50x = 586,800 × 586,800
4. Step 4: Simplify right side
   269,494.50x = 344,334,240,000
5. Step 5: Solve for x
   x = 344,334,240,000/269,494.50
6. Step 6: Final answer
   x = 1,277,704.15