Finding the Third Proportional to 2,619,861,455 and 5,681,760,052

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,861,455 : 5,681,760,052 = 5,681,760,052 : x
2. Step 2: Convert to fraction form
   2,619,861,455/5,681,760,052 = 5,681,760,052/x
3. Step 3: Cross multiply
   2,619,861,455x = 5,681,760,052 × 5,681,760,052
4. Step 4: Simplify right side
   2,619,861,455x = 32,282,397,288,503,042,048
5. Step 5: Solve for x
   x = 32,282,397,288,503,042,048/2,619,861,455
6. Step 6: Final answer
   x = 12,322,177,276.55