Finding the Third Proportional to 101,990 and 143,370.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,990 : 143,370.50 = 143,370.50 : x
2. Step 2: Convert to fraction form
   101,990/143,370.50 = 143,370.50/x
3. Step 3: Cross multiply
   101,990x = 143,370.50 × 143,370.50
4. Step 4: Simplify right side
   101,990x = 20,555,100,270.25
5. Step 5: Solve for x
   x = 20,555,100,270.25/101,990
6. Step 6: Final answer
   x = 201,540.35