Finding the Third Proportional to 3,979,544 and 8,526,799

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979,544 : 8,526,799 = 8,526,799 : x
2. Step 2: Convert to fraction form
   3,979,544/8,526,799 = 8,526,799/x
3. Step 3: Cross multiply
   3,979,544x = 8,526,799 × 8,526,799
4. Step 4: Simplify right side
   3,979,544x = 72,706,301,186,401
5. Step 5: Solve for x
   x = 72,706,301,186,401/3,979,544
6. Step 6: Final answer
   x = 18,270,008.12