Finding the Third Proportional to 108,378.50 and 143,843.25

Step by Step Solution

1. Step 1: Write the proportion equation
   108,378.50 : 143,843.25 = 143,843.25 : x
2. Step 2: Convert to fraction form
   108,378.50/143,843.25 = 143,843.25/x
3. Step 3: Cross multiply
   108,378.50x = 143,843.25 × 143,843.25
4. Step 4: Simplify right side
   108,378.50x = 20,690,880,570.56
5. Step 5: Solve for x
   x = 20,690,880,570.56/108,378.50
6. Step 6: Final answer
   x = 190,913.15