Finding the Third Proportional to 35,171 and 54,386

Step by Step Solution

1. Step 1: Write the proportion equation
   35,171 : 54,386 = 54,386 : x
2. Step 2: Convert to fraction form
   35,171/54,386 = 54,386/x
3. Step 3: Cross multiply
   35,171x = 54,386 × 54,386
4. Step 4: Simplify right side
   35,171x = 2,957,836,996
5. Step 5: Solve for x
   x = 2,957,836,996/35,171
6. Step 6: Final answer
   x = 84,098.75