Finding the Third Proportional to 80,569.69 and 173,707.03

Step by Step Solution

1. Step 1: Write the proportion equation
   80,569.69 : 173,707.03 = 173,707.03 : x
2. Step 2: Convert to fraction form
   80,569.69/173,707.03 = 173,707.03/x
3. Step 3: Cross multiply
   80,569.69x = 173,707.03 × 173,707.03
4. Step 4: Simplify right side
   80,569.69x = 30,174,132,705.69
5. Step 5: Solve for x
   x = 30,174,132,705.69/80,569.69
6. Step 6: Final answer
   x = 374,509.74