Finding the Third Proportional to 123,282 and 264,042

Step by Step Solution

1. Step 1: Write the proportion equation
   123,282 : 264,042 = 264,042 : x
2. Step 2: Convert to fraction form
   123,282/264,042 = 264,042/x
3. Step 3: Cross multiply
   123,282x = 264,042 × 264,042
4. Step 4: Simplify right side
   123,282x = 69,718,177,764
5. Step 5: Solve for x
   x = 69,718,177,764/123,282
6. Step 6: Final answer
   x = 565,517.90