Finding the Third Proportional to 591,793 and 865,540

Step by Step Solution

1. Step 1: Write the proportion equation
   591,793 : 865,540 = 865,540 : x
2. Step 2: Convert to fraction form
   591,793/865,540 = 865,540/x
3. Step 3: Cross multiply
   591,793x = 865,540 × 865,540
4. Step 4: Simplify right side
   591,793x = 749,159,491,600
5. Step 5: Solve for x
   x = 749,159,491,600/591,793
6. Step 6: Final answer
   x = 1,265,914.76