Finding the Third Proportional to 138,016.50 and 295,707

Step by Step Solution

1. Step 1: Write the proportion equation
   138,016.50 : 295,707 = 295,707 : x
2. Step 2: Convert to fraction form
   138,016.50/295,707 = 295,707/x
3. Step 3: Cross multiply
   138,016.50x = 295,707 × 295,707
4. Step 4: Simplify right side
   138,016.50x = 87,442,629,849
5. Step 5: Solve for x
   x = 87,442,629,849/138,016.50
6. Step 6: Final answer
   x = 633,566.49