Finding the Third Proportional to 108,979 and 229,790

Step by Step Solution

1. Step 1: Write the proportion equation
   108,979 : 229,790 = 229,790 : x
2. Step 2: Convert to fraction form
   108,979/229,790 = 229,790/x
3. Step 3: Cross multiply
   108,979x = 229,790 × 229,790
4. Step 4: Simplify right side
   108,979x = 52,803,444,100
5. Step 5: Solve for x
   x = 52,803,444,100/108,979
6. Step 6: Final answer
   x = 484,528.62