Finding the Third Proportional to 89,216 and 134,580

Step by Step Solution

1. Step 1: Write the proportion equation
   89,216 : 134,580 = 134,580 : x
2. Step 2: Convert to fraction form
   89,216/134,580 = 134,580/x
3. Step 3: Cross multiply
   89,216x = 134,580 × 134,580
4. Step 4: Simplify right side
   89,216x = 18,111,776,400
5. Step 5: Solve for x
   x = 18,111,776,400/89,216
6. Step 6: Final answer
   x = 203,010.41