Finding the Third Proportional to 3,986,816 and 5,978,996

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986,816 : 5,978,996 = 5,978,996 : x
2. Step 2: Convert to fraction form
   3,986,816/5,978,996 = 5,978,996/x
3. Step 3: Cross multiply
   3,986,816x = 5,978,996 × 5,978,996
4. Step 4: Simplify right side
   3,986,816x = 35,748,393,168,016
5. Step 5: Solve for x
   x = 35,748,393,168,016/3,986,816
6. Step 6: Final answer
   x = 8,966,652.38