Finding the Third Proportional to 1,554,397,555 and 2,222,806,802

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,397,555 : 2,222,806,802 = 2,222,806,802 : x
2. Step 2: Convert to fraction form
   1,554,397,555/2,222,806,802 = 2,222,806,802/x
3. Step 3: Cross multiply
   1,554,397,555x = 2,222,806,802 × 2,222,806,802
4. Step 4: Simplify right side
   1,554,397,555x = 4,940,870,079,017,466,880
5. Step 5: Solve for x
   x = 4,940,870,079,017,466,880/1,554,397,555
6. Step 6: Final answer
   x = 3,178,639,893.72