Finding the Third Proportional to 2,488,356 and 5,458,824

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,356 : 5,458,824 = 5,458,824 : x
2. Step 2: Convert to fraction form
   2,488,356/5,458,824 = 5,458,824/x
3. Step 3: Cross multiply
   2,488,356x = 5,458,824 × 5,458,824
4. Step 4: Simplify right side
   2,488,356x = 29,798,759,462,976
5. Step 5: Solve for x
   x = 29,798,759,462,976/2,488,356
6. Step 6: Final answer
   x = 11,975,279.85