Finding the Third Proportional to 123,479 and 265,367

Step by Step Solution

1. Step 1: Write the proportion equation
   123,479 : 265,367 = 265,367 : x
2. Step 2: Convert to fraction form
   123,479/265,367 = 265,367/x
3. Step 3: Cross multiply
   123,479x = 265,367 × 265,367
4. Step 4: Simplify right side
   123,479x = 70,419,644,689
5. Step 5: Solve for x
   x = 70,419,644,689/123,479
6. Step 6: Final answer
   x = 570,296.53