Finding the Third Proportional to 36,231.75 and 77,439.38

Step by Step Solution

1. Step 1: Write the proportion equation
   36,231.75 : 77,439.38 = 77,439.38 : x
2. Step 2: Convert to fraction form
   36,231.75/77,439.38 = 77,439.38/x
3. Step 3: Cross multiply
   36,231.75x = 77,439.38 × 77,439.38
4. Step 4: Simplify right side
   36,231.75x = 5,996,856,800.39
5. Step 5: Solve for x
   x = 5,996,856,800.39/36,231.75
6. Step 6: Final answer
   x = 165,513.86