Finding the Third Proportional to 89,084 and 136,986

Step by Step Solution

1. Step 1: Write the proportion equation
   89,084 : 136,986 = 136,986 : x
2. Step 2: Convert to fraction form
   89,084/136,986 = 136,986/x
3. Step 3: Cross multiply
   89,084x = 136,986 × 136,986
4. Step 4: Simplify right side
   89,084x = 18,765,164,196
5. Step 5: Solve for x
   x = 18,765,164,196/89,084
6. Step 6: Final answer
   x = 210,645.73