Finding the Third Proportional to 50,386 and 76,785

Step by Step Solution

1. Step 1: Write the proportion equation
   50,386 : 76,785 = 76,785 : x
2. Step 2: Convert to fraction form
   50,386/76,785 = 76,785/x
3. Step 3: Cross multiply
   50,386x = 76,785 × 76,785
4. Step 4: Simplify right side
   50,386x = 5,895,936,225
5. Step 5: Solve for x
   x = 5,895,936,225/50,386
6. Step 6: Final answer
   x = 117,015.37