Finding the Third Proportional to 2,179,304 and 4,620,720

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179,304 : 4,620,720 = 4,620,720 : x
2. Step 2: Convert to fraction form
   2,179,304/4,620,720 = 4,620,720/x
3. Step 3: Cross multiply
   2,179,304x = 4,620,720 × 4,620,720
4. Step 4: Simplify right side
   2,179,304x = 21,351,053,318,400
5. Step 5: Solve for x
   x = 21,351,053,318,400/2,179,304
6. Step 6: Final answer
   x = 9,797,189.07