Finding the Third Proportional to 281,974 and 665,404

Step by Step Solution

1. Step 1: Write the proportion equation
   281,974 : 665,404 = 665,404 : x
2. Step 2: Convert to fraction form
   281,974/665,404 = 665,404/x
3. Step 3: Cross multiply
   281,974x = 665,404 × 665,404
4. Step 4: Simplify right side
   281,974x = 442,762,483,216
5. Step 5: Solve for x
   x = 442,762,483,216/281,974
6. Step 6: Final answer
   x = 1,570,224.50