Finding the Third Proportional to 108,978 and 229,788

Step by Step Solution

1. Step 1: Write the proportion equation
   108,978 : 229,788 = 229,788 : x
2. Step 2: Convert to fraction form
   108,978/229,788 = 229,788/x
3. Step 3: Cross multiply
   108,978x = 229,788 × 229,788
4. Step 4: Simplify right side
   108,978x = 52,802,524,944
5. Step 5: Solve for x
   x = 52,802,524,944/108,978
6. Step 6: Final answer
   x = 484,524.63