Finding the Third Proportional to 81,556 and 179,668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,556 : 179,668.50 = 179,668.50 : x
2. Step 2: Convert to fraction form
   81,556/179,668.50 = 179,668.50/x
3. Step 3: Cross multiply
   81,556x = 179,668.50 × 179,668.50
4. Step 4: Simplify right side
   81,556x = 32,280,769,892.25
5. Step 5: Solve for x
   x = 32,280,769,892.25/81,556
6. Step 6: Final answer
   x = 395,811.10