Finding the Third Proportional to 3,598,218 and 7,729,992

Step by Step Solution

1. Step 1: Write the proportion equation
   3,598,218 : 7,729,992 = 7,729,992 : x
2. Step 2: Convert to fraction form
   3,598,218/7,729,992 = 7,729,992/x
3. Step 3: Cross multiply
   3,598,218x = 7,729,992 × 7,729,992
4. Step 4: Simplify right side
   3,598,218x = 59,752,776,320,064
5. Step 5: Solve for x
   x = 59,752,776,320,064/3,598,218
6. Step 6: Final answer
   x = 16,606,213.50