Finding the Third Proportional to 53,608 and 124,648

Step by Step Solution

1. Step 1: Write the proportion equation
   53,608 : 124,648 = 124,648 : x
2. Step 2: Convert to fraction form
   53,608/124,648 = 124,648/x
3. Step 3: Cross multiply
   53,608x = 124,648 × 124,648
4. Step 4: Simplify right side
   53,608x = 15,537,123,904
5. Step 5: Solve for x
   x = 15,537,123,904/53,608
6. Step 6: Final answer
   x = 289,828.46