Finding the Third Proportional to 3,399,969 and 7,398,078

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399,969 : 7,398,078 = 7,398,078 : x
2. Step 2: Convert to fraction form
   3,399,969/7,398,078 = 7,398,078/x
3. Step 3: Cross multiply
   3,399,969x = 7,398,078 × 7,398,078
4. Step 4: Simplify right side
   3,399,969x = 54,731,558,094,084
5. Step 5: Solve for x
   x = 54,731,558,094,084/3,399,969
6. Step 6: Final answer
   x = 16,097,663.86