Finding the Third Proportional to 123,608 and 265,852

Step by Step Solution

1. Step 1: Write the proportion equation
   123,608 : 265,852 = 265,852 : x
2. Step 2: Convert to fraction form
   123,608/265,852 = 265,852/x
3. Step 3: Cross multiply
   123,608x = 265,852 × 265,852
4. Step 4: Simplify right side
   123,608x = 70,677,285,904
5. Step 5: Solve for x
   x = 70,677,285,904/123,608
6. Step 6: Final answer
   x = 571,785.69