Finding the Third Proportional to 158,803.50 and 245,707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,803.50 : 245,707.50 = 245,707.50 : x
2. Step 2: Convert to fraction form
   158,803.50/245,707.50 = 245,707.50/x
3. Step 3: Cross multiply
   158,803.50x = 245,707.50 × 245,707.50
4. Step 4: Simplify right side
   158,803.50x = 60,372,175,556.25
5. Step 5: Solve for x
   x = 60,372,175,556.25/158,803.50
6. Step 6: Final answer
   x = 380,169.05