Finding the Third Proportional to 111,326 and 170,664

Step by Step Solution

1. Step 1: Write the proportion equation
   111,326 : 170,664 = 170,664 : x
2. Step 2: Convert to fraction form
   111,326/170,664 = 170,664/x
3. Step 3: Cross multiply
   111,326x = 170,664 × 170,664
4. Step 4: Simplify right side
   111,326x = 29,126,200,896
5. Step 5: Solve for x
   x = 29,126,200,896/111,326
6. Step 6: Final answer
   x = 261,629.82