Finding the Third Proportional to 109,008 and 240,021

Step by Step Solution

1. Step 1: Write the proportion equation
   109,008 : 240,021 = 240,021 : x
2. Step 2: Convert to fraction form
   109,008/240,021 = 240,021/x
3. Step 3: Cross multiply
   109,008x = 240,021 × 240,021
4. Step 4: Simplify right side
   109,008x = 57,610,080,441
5. Step 5: Solve for x
   x = 57,610,080,441/109,008
6. Step 6: Final answer
   x = 528,494.06