Finding the Third Proportional to 119,581.50 and 251,556

Step by Step Solution

1. Step 1: Write the proportion equation
   119,581.50 : 251,556 = 251,556 : x
2. Step 2: Convert to fraction form
   119,581.50/251,556 = 251,556/x
3. Step 3: Cross multiply
   119,581.50x = 251,556 × 251,556
4. Step 4: Simplify right side
   119,581.50x = 63,280,421,136
5. Step 5: Solve for x
   x = 63,280,421,136/119,581.50
6. Step 6: Final answer
   x = 529,182.37