Finding the Third Proportional to 109,086.75 and 235,386

Step by Step Solution

1. Step 1: Write the proportion equation
   109,086.75 : 235,386 = 235,386 : x
2. Step 2: Convert to fraction form
   109,086.75/235,386 = 235,386/x
3. Step 3: Cross multiply
   109,086.75x = 235,386 × 235,386
4. Step 4: Simplify right side
   109,086.75x = 55,406,568,996
5. Step 5: Solve for x
   x = 55,406,568,996/109,086.75
6. Step 6: Final answer
   x = 507,912.91