Finding the Third Proportional to 3,399,991 and 7,398,122

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399,991 : 7,398,122 = 7,398,122 : x
2. Step 2: Convert to fraction form
   3,399,991/7,398,122 = 7,398,122/x
3. Step 3: Cross multiply
   3,399,991x = 7,398,122 × 7,398,122
4. Step 4: Simplify right side
   3,399,991x = 54,732,209,126,884
5. Step 5: Solve for x
   x = 54,732,209,126,884/3,399,991
6. Step 6: Final answer
   x = 16,097,751.18