Finding the Third Proportional to 269,221.50 and 587,343

Step by Step Solution

1. Step 1: Write the proportion equation
   269,221.50 : 587,343 = 587,343 : x
2. Step 2: Convert to fraction form
   269,221.50/587,343 = 587,343/x
3. Step 3: Cross multiply
   269,221.50x = 587,343 × 587,343
4. Step 4: Simplify right side
   269,221.50x = 344,971,799,649
5. Step 5: Solve for x
   x = 344,971,799,649/269,221.50
6. Step 6: Final answer
   x = 1,281,367.94