Finding the Third Proportional to 170,074.50 and 245,856

Step by Step Solution

1. Step 1: Write the proportion equation
   170,074.50 : 245,856 = 245,856 : x
2. Step 2: Convert to fraction form
   170,074.50/245,856 = 245,856/x
3. Step 3: Cross multiply
   170,074.50x = 245,856 × 245,856
4. Step 4: Simplify right side
   170,074.50x = 60,445,172,736
5. Step 5: Solve for x
   x = 60,445,172,736/170,074.50
6. Step 6: Final answer
   x = 355,404.09