Finding the Third Proportional to 89,314 and 142,171

Step by Step Solution

1. Step 1: Write the proportion equation
   89,314 : 142,171 = 142,171 : x
2. Step 2: Convert to fraction form
   89,314/142,171 = 142,171/x
3. Step 3: Cross multiply
   89,314x = 142,171 × 142,171
4. Step 4: Simplify right side
   89,314x = 20,212,593,241
5. Step 5: Solve for x
   x = 20,212,593,241/89,314
6. Step 6: Final answer
   x = 226,309.35