Finding the Third Proportional to 109,166 and 173,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,166 : 173,591.50 = 173,591.50 : x
2. Step 2: Convert to fraction form
   109,166/173,591.50 = 173,591.50/x
3. Step 3: Cross multiply
   109,166x = 173,591.50 × 173,591.50
4. Step 4: Simplify right side
   109,166x = 30,134,008,872.25
5. Step 5: Solve for x
   x = 30,134,008,872.25/109,166
6. Step 6: Final answer
   x = 276,038.41