Finding the Third Proportional to 35,910 and 54,839

Step by Step Solution

1. Step 1: Write the proportion equation
   35,910 : 54,839 = 54,839 : x
2. Step 2: Convert to fraction form
   35,910/54,839 = 54,839/x
3. Step 3: Cross multiply
   35,910x = 54,839 × 54,839
4. Step 4: Simplify right side
   35,910x = 3,007,315,921
5. Step 5: Solve for x
   x = 3,007,315,921/35,910
6. Step 6: Final answer
   x = 83,745.92