Finding the Third Proportional to 89,932 and 136,242

Step by Step Solution

1. Step 1: Write the proportion equation
   89,932 : 136,242 = 136,242 : x
2. Step 2: Convert to fraction form
   89,932/136,242 = 136,242/x
3. Step 3: Cross multiply
   89,932x = 136,242 × 136,242
4. Step 4: Simplify right side
   89,932x = 18,561,882,564
5. Step 5: Solve for x
   x = 18,561,882,564/89,932
6. Step 6: Final answer
   x = 206,399.09