Finding the Third Proportional to 54,736 and 87,016

Step by Step Solution

1. Step 1: Write the proportion equation
   54,736 : 87,016 = 87,016 : x
2. Step 2: Convert to fraction form
   54,736/87,016 = 87,016/x
3. Step 3: Cross multiply
   54,736x = 87,016 × 87,016
4. Step 4: Simplify right side
   54,736x = 7,571,784,256
5. Step 5: Solve for x
   x = 7,571,784,256/54,736
6. Step 6: Final answer
   x = 138,332.80