Finding the Third Proportional to 56,768 and 123,448

Step by Step Solution

1. Step 1: Write the proportion equation
   56,768 : 123,448 = 123,448 : x
2. Step 2: Convert to fraction form
   56,768/123,448 = 123,448/x
3. Step 3: Cross multiply
   56,768x = 123,448 × 123,448
4. Step 4: Simplify right side
   56,768x = 15,239,408,704
5. Step 5: Solve for x
   x = 15,239,408,704/56,768
6. Step 6: Final answer
   x = 268,450.69