Finding the Third Proportional to 105,655.50 and 143,903.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,655.50 : 143,903.25 = 143,903.25 : x
2. Step 2: Convert to fraction form
   105,655.50/143,903.25 = 143,903.25/x
3. Step 3: Cross multiply
   105,655.50x = 143,903.25 × 143,903.25
4. Step 4: Simplify right side
   105,655.50x = 20,708,145,360.56
5. Step 5: Solve for x
   x = 20,708,145,360.56/105,655.50
6. Step 6: Final answer
   x = 195,996.85