Finding the Third Proportional to 81,613.50 and 179,778

Step by Step Solution

1. Step 1: Write the proportion equation
   81,613.50 : 179,778 = 179,778 : x
2. Step 2: Convert to fraction form
   81,613.50/179,778 = 179,778/x
3. Step 3: Cross multiply
   81,613.50x = 179,778 × 179,778
4. Step 4: Simplify right side
   81,613.50x = 32,320,129,284
5. Step 5: Solve for x
   x = 32,320,129,284/81,613.50
6. Step 6: Final answer
   x = 396,014.50