Finding the Third Proportional to 123,345 and 268,965

Step by Step Solution

1. Step 1: Write the proportion equation
   123,345 : 268,965 = 268,965 : x
2. Step 2: Convert to fraction form
   123,345/268,965 = 268,965/x
3. Step 3: Cross multiply
   123,345x = 268,965 × 268,965
4. Step 4: Simplify right side
   123,345x = 72,342,171,225
5. Step 5: Solve for x
   x = 72,342,171,225/123,345
6. Step 6: Final answer
   x = 586,502.67