Finding the Third Proportional to 36,877 and 54,860

Step by Step Solution

1. Step 1: Write the proportion equation
   36,877 : 54,860 = 54,860 : x
2. Step 2: Convert to fraction form
   36,877/54,860 = 54,860/x
3. Step 3: Cross multiply
   36,877x = 54,860 × 54,860
4. Step 4: Simplify right side
   36,877x = 3,009,619,600
5. Step 5: Solve for x
   x = 3,009,619,600/36,877
6. Step 6: Final answer
   x = 81,612.38