Finding the Third Proportional to 73,105 and 109,369.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,105 : 109,369.50 = 109,369.50 : x
2. Step 2: Convert to fraction form
   73,105/109,369.50 = 109,369.50/x
3. Step 3: Cross multiply
   73,105x = 109,369.50 × 109,369.50
4. Step 4: Simplify right side
   73,105x = 11,961,687,530.25
5. Step 5: Solve for x
   x = 11,961,687,530.25/73,105
6. Step 6: Final answer
   x = 163,623.38