Finding the Third Proportional to 245,622 and 538,004

Step by Step Solution

1. Step 1: Write the proportion equation
   245,622 : 538,004 = 538,004 : x
2. Step 2: Convert to fraction form
   245,622/538,004 = 538,004/x
3. Step 3: Cross multiply
   245,622x = 538,004 × 538,004
4. Step 4: Simplify right side
   245,622x = 289,448,304,016
5. Step 5: Solve for x
   x = 289,448,304,016/245,622
6. Step 6: Final answer
   x = 1,178,429.88