Finding the Third Proportional to 111,966 and 173,358

Step by Step Solution

1. Step 1: Write the proportion equation
   111,966 : 173,358 = 173,358 : x
2. Step 2: Convert to fraction form
   111,966/173,358 = 173,358/x
3. Step 3: Cross multiply
   111,966x = 173,358 × 173,358
4. Step 4: Simplify right side
   111,966x = 30,052,996,164
5. Step 5: Solve for x
   x = 30,052,996,164/111,966
6. Step 6: Final answer
   x = 268,411.81