Finding the Third Proportional to 89,580 and 133,902

Step by Step Solution

1. Step 1: Write the proportion equation
   89,580 : 133,902 = 133,902 : x
2. Step 2: Convert to fraction form
   89,580/133,902 = 133,902/x
3. Step 3: Cross multiply
   89,580x = 133,902 × 133,902
4. Step 4: Simplify right side
   89,580x = 17,929,745,604
5. Step 5: Solve for x
   x = 17,929,745,604/89,580
6. Step 6: Final answer
   x = 200,153.45