Finding the Third Proportional to 1,815,354 and 3,910,793

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815,354 : 3,910,793 = 3,910,793 : x
2. Step 2: Convert to fraction form
   1,815,354/3,910,793 = 3,910,793/x
3. Step 3: Cross multiply
   1,815,354x = 3,910,793 × 3,910,793
4. Step 4: Simplify right side
   1,815,354x = 15,294,301,888,849
5. Step 5: Solve for x
   x = 15,294,301,888,849/1,815,354
6. Step 6: Final answer
   x = 8,424,969.39