Finding the Third Proportional to 170,128.50 and 366,834

Step by Step Solution

1. Step 1: Write the proportion equation
   170,128.50 : 366,834 = 366,834 : x
2. Step 2: Convert to fraction form
   170,128.50/366,834 = 366,834/x
3. Step 3: Cross multiply
   170,128.50x = 366,834 × 366,834
4. Step 4: Simplify right side
   170,128.50x = 134,567,183,556
5. Step 5: Solve for x
   x = 134,567,183,556/170,128.50
6. Step 6: Final answer
   x = 790,973.78