Finding the Third Proportional to 109,384 and 143,628

Step by Step Solution

1. Step 1: Write the proportion equation
   109,384 : 143,628 = 143,628 : x
2. Step 2: Convert to fraction form
   109,384/143,628 = 143,628/x
3. Step 3: Cross multiply
   109,384x = 143,628 × 143,628
4. Step 4: Simplify right side
   109,384x = 20,629,002,384
5. Step 5: Solve for x
   x = 20,629,002,384/109,384
6. Step 6: Final answer
   x = 188,592.50