Finding the Third Proportional to 3,384,327,838 and 7,422,428,708

Step by Step Solution

1. Step 1: Write the proportion equation
   3,384,327,838 : 7,422,428,708 = 7,422,428,708 : x
2. Step 2: Convert to fraction form
   3,384,327,838/7,422,428,708 = 7,422,428,708/x
3. Step 3: Cross multiply
   3,384,327,838x = 7,422,428,708 × 7,422,428,708
4. Step 4: Simplify right side
   3,384,327,838x = 55,092,447,925,342,552,064
5. Step 5: Solve for x
   x = 55,092,447,925,342,552,064/3,384,327,838
6. Step 6: Final answer
   x = 16,278,697,148.29