Finding the Third Proportional to 6,398,568 and 9,811,680

Step by Step Solution

1. Step 1: Write the proportion equation
   6,398,568 : 9,811,680 = 9,811,680 : x
2. Step 2: Convert to fraction form
   6,398,568/9,811,680 = 9,811,680/x
3. Step 3: Cross multiply
   6,398,568x = 9,811,680 × 9,811,680
4. Step 4: Simplify right side
   6,398,568x = 96,269,064,422,400
5. Step 5: Solve for x
   x = 96,269,064,422,400/6,398,568
6. Step 6: Final answer
   x = 15,045,407.73