Finding the Third Proportional to 140,684 and 325,404

Step by Step Solution

1. Step 1: Write the proportion equation
   140,684 : 325,404 = 325,404 : x
2. Step 2: Convert to fraction form
   140,684/325,404 = 325,404/x
3. Step 3: Cross multiply
   140,684x = 325,404 × 325,404
4. Step 4: Simplify right side
   140,684x = 105,887,763,216
5. Step 5: Solve for x
   x = 105,887,763,216/140,684
6. Step 6: Final answer
   x = 752,663.87