Finding the Third Proportional to 56,856 and 89,016

Step by Step Solution

1. Step 1: Write the proportion equation
   56,856 : 89,016 = 89,016 : x
2. Step 2: Convert to fraction form
   56,856/89,016 = 89,016/x
3. Step 3: Cross multiply
   56,856x = 89,016 × 89,016
4. Step 4: Simplify right side
   56,856x = 7,923,848,256
5. Step 5: Solve for x
   x = 7,923,848,256/56,856
6. Step 6: Final answer
   x = 139,366.97