Finding the Third Proportional to 4,199,546 and 8,993,920

Step by Step Solution

1. Step 1: Write the proportion equation
   4,199,546 : 8,993,920 = 8,993,920 : x
2. Step 2: Convert to fraction form
   4,199,546/8,993,920 = 8,993,920/x
3. Step 3: Cross multiply
   4,199,546x = 8,993,920 × 8,993,920
4. Step 4: Simplify right side
   4,199,546x = 80,890,596,966,400
5. Step 5: Solve for x
   x = 80,890,596,966,400/4,199,546
6. Step 6: Final answer
   x = 19,261,748.05