Finding the Third Proportional to 238,698 and 520,004

Step by Step Solution

1. Step 1: Write the proportion equation
   238,698 : 520,004 = 520,004 : x
2. Step 2: Convert to fraction form
   238,698/520,004 = 520,004/x
3. Step 3: Cross multiply
   238,698x = 520,004 × 520,004
4. Step 4: Simplify right side
   238,698x = 270,404,160,016
5. Step 5: Solve for x
   x = 270,404,160,016/238,698
6. Step 6: Final answer
   x = 1,132,829.60