Finding the Third Proportional to 397,363.50 and 860,802

Step by Step Solution

1. Step 1: Write the proportion equation
   397,363.50 : 860,802 = 860,802 : x
2. Step 2: Convert to fraction form
   397,363.50/860,802 = 860,802/x
3. Step 3: Cross multiply
   397,363.50x = 860,802 × 860,802
4. Step 4: Simplify right side
   397,363.50x = 740,980,083,204
5. Step 5: Solve for x
   x = 740,980,083,204/397,363.50
6. Step 6: Final answer
   x = 1,864,741.18