Finding the Third Proportional to 2,663,448 and 4,173,669

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663,448 : 4,173,669 = 4,173,669 : x
2. Step 2: Convert to fraction form
   2,663,448/4,173,669 = 4,173,669/x
3. Step 3: Cross multiply
   2,663,448x = 4,173,669 × 4,173,669
4. Step 4: Simplify right side
   2,663,448x = 17,419,512,921,561
5. Step 5: Solve for x
   x = 17,419,512,921,561/2,663,448
6. Step 6: Final answer
   x = 6,540,211.38