Finding the Third Proportional to 89,739 and 140,794

Step by Step Solution

1. Step 1: Write the proportion equation
   89,739 : 140,794 = 140,794 : x
2. Step 2: Convert to fraction form
   89,739/140,794 = 140,794/x
3. Step 3: Cross multiply
   89,739x = 140,794 × 140,794
4. Step 4: Simplify right side
   89,739x = 19,822,950,436
5. Step 5: Solve for x
   x = 19,822,950,436/89,739
6. Step 6: Final answer
   x = 220,895.60