Finding the Third Proportional to 3,399,989 and 7,398,118

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399,989 : 7,398,118 = 7,398,118 : x
2. Step 2: Convert to fraction form
   3,399,989/7,398,118 = 7,398,118/x
3. Step 3: Cross multiply
   3,399,989x = 7,398,118 × 7,398,118
4. Step 4: Simplify right side
   3,399,989x = 54,732,149,941,924
5. Step 5: Solve for x
   x = 54,732,149,941,924/3,399,989
6. Step 6: Final answer
   x = 16,097,743.24