Finding the Third Proportional to 2,542,303,930.78 and 5,387,042,054.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542,303,930.78 : 5,387,042,054.53 = 5,387,042,054.53 : x
2. Step 2: Convert to fraction form
   2,542,303,930.78/5,387,042,054.53 = 5,387,042,054.53/x
3. Step 3: Cross multiply
   2,542,303,930.78x = 5,387,042,054.53 × 5,387,042,054.53
4. Step 4: Simplify right side
   2,542,303,930.78x = 29,020,222,097,287,737,344
5. Step 5: Solve for x
   x = 29,020,222,097,287,737,344/2,542,303,930.78
6. Step 6: Final answer
   x = 11,414,930,270.89