Finding the Third Proportional to 56,928 and 123,699.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,928 : 123,699.75 = 123,699.75 : x
2. Step 2: Convert to fraction form
   56,928/123,699.75 = 123,699.75/x
3. Step 3: Cross multiply
   56,928x = 123,699.75 × 123,699.75
4. Step 4: Simplify right side
   56,928x = 15,301,628,150.06
5. Step 5: Solve for x
   x = 15,301,628,150.06/56,928
6. Step 6: Final answer
   x = 268,789.14