Finding the Third Proportional to 81,066 and 109,134

Step by Step Solution

1. Step 1: Write the proportion equation
   81,066 : 109,134 = 109,134 : x
2. Step 2: Convert to fraction form
   81,066/109,134 = 109,134/x
3. Step 3: Cross multiply
   81,066x = 109,134 × 109,134
4. Step 4: Simplify right side
   81,066x = 11,910,229,956
5. Step 5: Solve for x
   x = 11,910,229,956/81,066
6. Step 6: Final answer
   x = 146,920.16