Finding the Third Proportional to 7,218,193 and 9,806,218

Step by Step Solution

1. Step 1: Write the proportion equation
   7,218,193 : 9,806,218 = 9,806,218 : x
2. Step 2: Convert to fraction form
   7,218,193/9,806,218 = 9,806,218/x
3. Step 3: Cross multiply
   7,218,193x = 9,806,218 × 9,806,218
4. Step 4: Simplify right side
   7,218,193x = 96,161,911,463,524
5. Step 5: Solve for x
   x = 96,161,911,463,524/7,218,193
6. Step 6: Final answer
   x = 13,322,158.53