Finding the Third Proportional to 123,892 and 265,272

Step by Step Solution

1. Step 1: Write the proportion equation
   123,892 : 265,272 = 265,272 : x
2. Step 2: Convert to fraction form
   123,892/265,272 = 265,272/x
3. Step 3: Cross multiply
   123,892x = 265,272 × 265,272
4. Step 4: Simplify right side
   123,892x = 70,369,233,984
5. Step 5: Solve for x
   x = 70,369,233,984/123,892
6. Step 6: Final answer
   x = 567,988.52