Finding the Third Proportional to 2,488,338 and 5,458,788

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,338 : 5,458,788 = 5,458,788 : x
2. Step 2: Convert to fraction form
   2,488,338/5,458,788 = 5,458,788/x
3. Step 3: Cross multiply
   2,488,338x = 5,458,788 × 5,458,788
4. Step 4: Simplify right side
   2,488,338x = 29,798,366,428,944
5. Step 5: Solve for x
   x = 29,798,366,428,944/2,488,338
6. Step 6: Final answer
   x = 11,975,208.52