Finding the Third Proportional to 109,379 and 143,626

Step by Step Solution

1. Step 1: Write the proportion equation
   109,379 : 143,626 = 143,626 : x
2. Step 2: Convert to fraction form
   109,379/143,626 = 143,626/x
3. Step 3: Cross multiply
   109,379x = 143,626 × 143,626
4. Step 4: Simplify right side
   109,379x = 20,628,427,876
5. Step 5: Solve for x
   x = 20,628,427,876/109,379
6. Step 6: Final answer
   x = 188,595.87