Finding the Third Proportional to 109,530 and 169,131

Step by Step Solution

1. Step 1: Write the proportion equation
   109,530 : 169,131 = 169,131 : x
2. Step 2: Convert to fraction form
   109,530/169,131 = 169,131/x
3. Step 3: Cross multiply
   109,530x = 169,131 × 169,131
4. Step 4: Simplify right side
   109,530x = 28,605,295,161
5. Step 5: Solve for x
   x = 28,605,295,161/109,530
6. Step 6: Final answer
   x = 261,164.02