Finding the Third Proportional to 57,048 and 137,436

Step by Step Solution

1. Step 1: Write the proportion equation
   57,048 : 137,436 = 137,436 : x
2. Step 2: Convert to fraction form
   57,048/137,436 = 137,436/x
3. Step 3: Cross multiply
   57,048x = 137,436 × 137,436
4. Step 4: Simplify right side
   57,048x = 18,888,654,096
5. Step 5: Solve for x
   x = 18,888,654,096/57,048
6. Step 6: Final answer
   x = 331,101.07