Finding the Third Proportional to 118,231.50 and 262,707

Step by Step Solution

1. Step 1: Write the proportion equation
   118,231.50 : 262,707 = 262,707 : x
2. Step 2: Convert to fraction form
   118,231.50/262,707 = 262,707/x
3. Step 3: Cross multiply
   118,231.50x = 262,707 × 262,707
4. Step 4: Simplify right side
   118,231.50x = 69,014,967,849
5. Step 5: Solve for x
   x = 69,014,967,849/118,231.50
6. Step 6: Final answer
   x = 583,727.41