Finding the Third Proportional to 475,648 and 696,404

Step by Step Solution

1. Step 1: Write the proportion equation
   475,648 : 696,404 = 696,404 : x
2. Step 2: Convert to fraction form
   475,648/696,404 = 696,404/x
3. Step 3: Cross multiply
   475,648x = 696,404 × 696,404
4. Step 4: Simplify right side
   475,648x = 484,978,531,216
5. Step 5: Solve for x
   x = 484,978,531,216/475,648
6. Step 6: Final answer
   x = 1,019,616.46