Finding the Third Proportional to 123,072 and 265,008

Step by Step Solution

1. Step 1: Write the proportion equation
   123,072 : 265,008 = 265,008 : x
2. Step 2: Convert to fraction form
   123,072/265,008 = 265,008/x
3. Step 3: Cross multiply
   123,072x = 265,008 × 265,008
4. Step 4: Simplify right side
   123,072x = 70,229,240,064
5. Step 5: Solve for x
   x = 70,229,240,064/123,072
6. Step 6: Final answer
   x = 570,635.40