Finding the Third Proportional to 89,770 and 132,920

Step by Step Solution

1. Step 1: Write the proportion equation
   89,770 : 132,920 = 132,920 : x
2. Step 2: Convert to fraction form
   89,770/132,920 = 132,920/x
3. Step 3: Cross multiply
   89,770x = 132,920 × 132,920
4. Step 4: Simplify right side
   89,770x = 17,667,726,400
5. Step 5: Solve for x
   x = 17,667,726,400/89,770
6. Step 6: Final answer
   x = 196,811.03