Finding the Third Proportional to 105,800.50 and 143,528.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,800.50 : 143,528.25 = 143,528.25 : x
2. Step 2: Convert to fraction form
   105,800.50/143,528.25 = 143,528.25/x
3. Step 3: Cross multiply
   105,800.50x = 143,528.25 × 143,528.25
4. Step 4: Simplify right side
   105,800.50x = 20,600,358,548.06
5. Step 5: Solve for x
   x = 20,600,358,548.06/105,800.50
6. Step 6: Final answer
   x = 194,709.46