Finding the Third Proportional to 109,166.25 and 173,591.25

Step by Step Solution

1. Step 1: Write the proportion equation
   109,166.25 : 173,591.25 = 173,591.25 : x
2. Step 2: Convert to fraction form
   109,166.25/173,591.25 = 173,591.25/x
3. Step 3: Cross multiply
   109,166.25x = 173,591.25 × 173,591.25
4. Step 4: Simplify right side
   109,166.25x = 30,133,922,076.56
5. Step 5: Solve for x
   x = 30,133,922,076.56/109,166.25
6. Step 6: Final answer
   x = 276,036.98