Finding the Third Proportional to 111,909.38 and 173,537.06

Step by Step Solution

1. Step 1: Write the proportion equation
   111,909.38 : 173,537.06 = 173,537.06 : x
2. Step 2: Convert to fraction form
   111,909.38/173,537.06 = 173,537.06/x
3. Step 3: Cross multiply
   111,909.38x = 173,537.06 × 173,537.06
4. Step 4: Simplify right side
   111,909.38x = 30,115,112,061.13
5. Step 5: Solve for x
   x = 30,115,112,061.13/111,909.38
6. Step 6: Final answer
   x = 269,102.67