Finding the Third Proportional to 123,941.39 and 268,488.42

Step by Step Solution

1. Step 1: Write the proportion equation
   123,941.39 : 268,488.42 = 268,488.42 : x
2. Step 2: Convert to fraction form
   123,941.39/268,488.42 = 268,488.42/x
3. Step 3: Cross multiply
   123,941.39x = 268,488.42 × 268,488.42
4. Step 4: Simplify right side
   123,941.39x = 72,086,032,680.93
5. Step 5: Solve for x
   x = 72,086,032,680.93/123,941.39
6. Step 6: Final answer
   x = 581,613.88