Finding the Third Proportional to 3,754,863,103 and 7,818,735,766

Step by Step Solution

1. Step 1: Write the proportion equation
   3,754,863,103 : 7,818,735,766 = 7,818,735,766 : x
2. Step 2: Convert to fraction form
   3,754,863,103/7,818,735,766 = 7,818,735,766/x
3. Step 3: Cross multiply
   3,754,863,103x = 7,818,735,766 × 7,818,735,766
4. Step 4: Simplify right side
   3,754,863,103x = 61,132,628,978,527,608,832
5. Step 5: Solve for x
   x = 61,132,628,978,527,608,832/3,754,863,103
6. Step 6: Final answer
   x = 16,280,920,848.93