Finding the Third Proportional to 1,554,397,556 and 2,222,806,803.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,397,556 : 2,222,806,803.50 = 2,222,806,803.50 : x
2. Step 2: Convert to fraction form
   1,554,397,556/2,222,806,803.50 = 2,222,806,803.50/x
3. Step 3: Cross multiply
   1,554,397,556x = 2,222,806,803.50 × 2,222,806,803.50
4. Step 4: Simplify right side
   1,554,397,556x = 4,940,870,085,685,888,000
5. Step 5: Solve for x
   x = 4,940,870,085,685,888,000/1,554,397,556
6. Step 6: Final answer
   x = 3,178,639,895.96