Finding the Third Proportional to 238,699 and 520,004

Step by Step Solution

1. Step 1: Write the proportion equation
   238,699 : 520,004 = 520,004 : x
2. Step 2: Convert to fraction form
   238,699/520,004 = 520,004/x
3. Step 3: Cross multiply
   238,699x = 520,004 × 520,004
4. Step 4: Simplify right side
   238,699x = 270,404,160,016
5. Step 5: Solve for x
   x = 270,404,160,016/238,699
6. Step 6: Final answer
   x = 1,132,824.85