Finding the Third Proportional to 68,696 and 144,771.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,696 : 144,771.50 = 144,771.50 : x
2. Step 2: Convert to fraction form
   68,696/144,771.50 = 144,771.50/x
3. Step 3: Cross multiply
   68,696x = 144,771.50 × 144,771.50
4. Step 4: Simplify right side
   68,696x = 20,958,787,212.25
5. Step 5: Solve for x
   x = 20,958,787,212.25/68,696
6. Step 6: Final answer
   x = 305,094.72