Finding the Third Proportional to 123,370 and 268,934

Step by Step Solution

1. Step 1: Write the proportion equation
   123,370 : 268,934 = 268,934 : x
2. Step 2: Convert to fraction form
   123,370/268,934 = 268,934/x
3. Step 3: Cross multiply
   123,370x = 268,934 × 268,934
4. Step 4: Simplify right side
   123,370x = 72,325,496,356
5. Step 5: Solve for x
   x = 72,325,496,356/123,370
6. Step 6: Final answer
   x = 586,248.65