Finding the Third Proportional to 89,592 and 136,164

Step by Step Solution

1. Step 1: Write the proportion equation
   89,592 : 136,164 = 136,164 : x
2. Step 2: Convert to fraction form
   89,592/136,164 = 136,164/x
3. Step 3: Cross multiply
   89,592x = 136,164 × 136,164
4. Step 4: Simplify right side
   89,592x = 18,540,634,896
5. Step 5: Solve for x
   x = 18,540,634,896/89,592
6. Step 6: Final answer
   x = 206,945.21