Finding the Third Proportional to 108,660 and 240,648

Step by Step Solution

1. Step 1: Write the proportion equation
   108,660 : 240,648 = 240,648 : x
2. Step 2: Convert to fraction form
   108,660/240,648 = 240,648/x
3. Step 3: Cross multiply
   108,660x = 240,648 × 240,648
4. Step 4: Simplify right side
   108,660x = 57,911,459,904
5. Step 5: Solve for x
   x = 57,911,459,904/108,660
6. Step 6: Final answer
   x = 532,960.24