Finding the Third Proportional to 144,672 and 223,980

Step by Step Solution

1. Step 1: Write the proportion equation
   144,672 : 223,980 = 223,980 : x
2. Step 2: Convert to fraction form
   144,672/223,980 = 223,980/x
3. Step 3: Cross multiply
   144,672x = 223,980 × 223,980
4. Step 4: Simplify right side
   144,672x = 50,167,040,400
5. Step 5: Solve for x
   x = 50,167,040,400/144,672
6. Step 6: Final answer
   x = 346,763.99