Finding the Third Proportional to 110,389 and 245,760

Step by Step Solution

1. Step 1: Write the proportion equation
   110,389 : 245,760 = 245,760 : x
2. Step 2: Convert to fraction form
   110,389/245,760 = 245,760/x
3. Step 3: Cross multiply
   110,389x = 245,760 × 245,760
4. Step 4: Simplify right side
   110,389x = 60,397,977,600
5. Step 5: Solve for x
   x = 60,397,977,600/110,389
6. Step 6: Final answer
   x = 547,137.65