Finding the Third Proportional to 356,596 and 783,175.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,596 : 783,175.50 = 783,175.50 : x
2. Step 2: Convert to fraction form
   356,596/783,175.50 = 783,175.50/x
3. Step 3: Cross multiply
   356,596x = 783,175.50 × 783,175.50
4. Step 4: Simplify right side
   356,596x = 613,363,863,800.25
5. Step 5: Solve for x
   x = 613,363,863,800.25/356,596
6. Step 6: Final answer
   x = 1,720,052.56