Finding the Third Proportional to 123,282 and 265,554

Step by Step Solution

1. Step 1: Write the proportion equation
   123,282 : 265,554 = 265,554 : x
2. Step 2: Convert to fraction form
   123,282/265,554 = 265,554/x
3. Step 3: Cross multiply
   123,282x = 265,554 × 265,554
4. Step 4: Simplify right side
   123,282x = 70,518,926,916
5. Step 5: Solve for x
   x = 70,518,926,916/123,282
6. Step 6: Final answer
   x = 572,013.16