Finding the Third Proportional to 4,154,304 and 8,638,830

Step by Step Solution

1. Step 1: Write the proportion equation
   4,154,304 : 8,638,830 = 8,638,830 : x
2. Step 2: Convert to fraction form
   4,154,304/8,638,830 = 8,638,830/x
3. Step 3: Cross multiply
   4,154,304x = 8,638,830 × 8,638,830
4. Step 4: Simplify right side
   4,154,304x = 74,629,383,768,900
5. Step 5: Solve for x
   x = 74,629,383,768,900/4,154,304
6. Step 6: Final answer
   x = 17,964,353.06