Finding the Third Proportional to 105,219 and 143,751.38

Step by Step Solution

1. Step 1: Write the proportion equation
   105,219 : 143,751.38 = 143,751.38 : x
2. Step 2: Convert to fraction form
   105,219/143,751.38 = 143,751.38/x
3. Step 3: Cross multiply
   105,219x = 143,751.38 × 143,751.38
4. Step 4: Simplify right side
   105,219x = 20,664,457,814.39
5. Step 5: Solve for x
   x = 20,664,457,814.39/105,219
6. Step 6: Final answer
   x = 196,394.74