Finding the Third Proportional to 89,910 and 141,036

Step by Step Solution

1. Step 1: Write the proportion equation
   89,910 : 141,036 = 141,036 : x
2. Step 2: Convert to fraction form
   89,910/141,036 = 141,036/x
3. Step 3: Cross multiply
   89,910x = 141,036 × 141,036
4. Step 4: Simplify right side
   89,910x = 19,891,153,296
5. Step 5: Solve for x
   x = 19,891,153,296/89,910
6. Step 6: Final answer
   x = 221,234.05