Finding the Third Proportional to 36,479 and 54,980

Step by Step Solution

1. Step 1: Write the proportion equation
   36,479 : 54,980 = 54,980 : x
2. Step 2: Convert to fraction form
   36,479/54,980 = 54,980/x
3. Step 3: Cross multiply
   36,479x = 54,980 × 54,980
4. Step 4: Simplify right side
   36,479x = 3,022,800,400
5. Step 5: Solve for x
   x = 3,022,800,400/36,479
6. Step 6: Final answer
   x = 82,864.12