Finding the Third Proportional to 4,040,180 and 8,721,334

Step by Step Solution

1. Step 1: Write the proportion equation
   4,040,180 : 8,721,334 = 8,721,334 : x
2. Step 2: Convert to fraction form
   4,040,180/8,721,334 = 8,721,334/x
3. Step 3: Cross multiply
   4,040,180x = 8,721,334 × 8,721,334
4. Step 4: Simplify right side
   4,040,180x = 76,061,666,739,556
5. Step 5: Solve for x
   x = 76,061,666,739,556/4,040,180
6. Step 6: Final answer
   x = 18,826,306.44