Finding the Third Proportional to 56,579 and 123,303

Step by Step Solution

1. Step 1: Write the proportion equation
   56,579 : 123,303 = 123,303 : x
2. Step 2: Convert to fraction form
   56,579/123,303 = 123,303/x
3. Step 3: Cross multiply
   56,579x = 123,303 × 123,303
4. Step 4: Simplify right side
   56,579x = 15,203,629,809
5. Step 5: Solve for x
   x = 15,203,629,809/56,579
6. Step 6: Final answer
   x = 268,715.07