Finding the Third Proportional to 1,821,248 and 2,672,824

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,248 : 2,672,824 = 2,672,824 : x
2. Step 2: Convert to fraction form
   1,821,248/2,672,824 = 2,672,824/x
3. Step 3: Cross multiply
   1,821,248x = 2,672,824 × 2,672,824
4. Step 4: Simplify right side
   1,821,248x = 7,143,988,134,976
5. Step 5: Solve for x
   x = 7,143,988,134,976/1,821,248
6. Step 6: Final answer
   x = 3,922,578.44