Finding the Third Proportional to 123,716 and 264,920

Step by Step Solution

1. Step 1: Write the proportion equation
   123,716 : 264,920 = 264,920 : x
2. Step 2: Convert to fraction form
   123,716/264,920 = 264,920/x
3. Step 3: Cross multiply
   123,716x = 264,920 × 264,920
4. Step 4: Simplify right side
   123,716x = 70,182,606,400
5. Step 5: Solve for x
   x = 70,182,606,400/123,716
6. Step 6: Final answer
   x = 567,288.03