Finding the Third Proportional to 123,528 and 270,192

Step by Step Solution

1. Step 1: Write the proportion equation
   123,528 : 270,192 = 270,192 : x
2. Step 2: Convert to fraction form
   123,528/270,192 = 270,192/x
3. Step 3: Cross multiply
   123,528x = 270,192 × 270,192
4. Step 4: Simplify right side
   123,528x = 73,003,716,864
5. Step 5: Solve for x
   x = 73,003,716,864/123,528
6. Step 6: Final answer
   x = 590,989.22