Finding the Third Proportional to 108,688 and 229,166

Step by Step Solution

1. Step 1: Write the proportion equation
   108,688 : 229,166 = 229,166 : x
2. Step 2: Convert to fraction form
   108,688/229,166 = 229,166/x
3. Step 3: Cross multiply
   108,688x = 229,166 × 229,166
4. Step 4: Simplify right side
   108,688x = 52,517,055,556
5. Step 5: Solve for x
   x = 52,517,055,556/108,688
6. Step 6: Final answer
   x = 483,190.93