Finding the Third Proportional to 286,703 and 401,002

Step by Step Solution

1. Step 1: Write the proportion equation
   286,703 : 401,002 = 401,002 : x
2. Step 2: Convert to fraction form
   286,703/401,002 = 401,002/x
3. Step 3: Cross multiply
   286,703x = 401,002 × 401,002
4. Step 4: Simplify right side
   286,703x = 160,802,604,004
5. Step 5: Solve for x
   x = 160,802,604,004/286,703
6. Step 6: Final answer
   x = 560,868.23