Finding the Third Proportional to 2,488,340 and 5,458,792

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,340 : 5,458,792 = 5,458,792 : x
2. Step 2: Convert to fraction form
   2,488,340/5,458,792 = 5,458,792/x
3. Step 3: Cross multiply
   2,488,340x = 5,458,792 × 5,458,792
4. Step 4: Simplify right side
   2,488,340x = 29,798,410,099,264
5. Step 5: Solve for x
   x = 29,798,410,099,264/2,488,340
6. Step 6: Final answer
   x = 11,975,216.45