Finding the Third Proportional to 105,817.50 and 143,552.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,817.50 : 143,552.25 = 143,552.25 : x
2. Step 2: Convert to fraction form
   105,817.50/143,552.25 = 143,552.25/x
3. Step 3: Cross multiply
   105,817.50x = 143,552.25 × 143,552.25
4. Step 4: Simplify right side
   105,817.50x = 20,607,248,480.06
5. Step 5: Solve for x
   x = 20,607,248,480.06/105,817.50
6. Step 6: Final answer
   x = 194,743.29