Finding the Third Proportional to 436,304 and 670,404

Step by Step Solution

1. Step 1: Write the proportion equation
   436,304 : 670,404 = 670,404 : x
2. Step 2: Convert to fraction form
   436,304/670,404 = 670,404/x
3. Step 3: Cross multiply
   436,304x = 670,404 × 670,404
4. Step 4: Simplify right side
   436,304x = 449,441,523,216
5. Step 5: Solve for x
   x = 449,441,523,216/436,304
6. Step 6: Final answer
   x = 1,030,110.94