Finding the Third Proportional to 1,815,338 and 3,910,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815,338 : 3,910,760 = 3,910,760 : x
2. Step 2: Convert to fraction form
   1,815,338/3,910,760 = 3,910,760/x
3. Step 3: Cross multiply
   1,815,338x = 3,910,760 × 3,910,760
4. Step 4: Simplify right side
   1,815,338x = 15,294,043,777,600
5. Step 5: Solve for x
   x = 15,294,043,777,600/1,815,338
6. Step 6: Final answer
   x = 8,424,901.47