Finding the Third Proportional to 108,780 and 230,610

Step by Step Solution

1. Step 1: Write the proportion equation
   108,780 : 230,610 = 230,610 : x
2. Step 2: Convert to fraction form
   108,780/230,610 = 230,610/x
3. Step 3: Cross multiply
   108,780x = 230,610 × 230,610
4. Step 4: Simplify right side
   108,780x = 53,180,972,100
5. Step 5: Solve for x
   x = 53,180,972,100/108,780
6. Step 6: Final answer
   x = 488,885.57