Finding the Third Proportional to 111,917.25 and 173,549.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,917.25 : 173,549.25 = 173,549.25 : x
2. Step 2: Convert to fraction form
   111,917.25/173,549.25 = 173,549.25/x
3. Step 3: Cross multiply
   111,917.25x = 173,549.25 × 173,549.25
4. Step 4: Simplify right side
   111,917.25x = 30,119,342,175.56
5. Step 5: Solve for x
   x = 30,119,342,175.56/111,917.25
6. Step 6: Final answer
   x = 269,121.54