Finding the Third Proportional to 1,815,356 and 3,910,797

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815,356 : 3,910,797 = 3,910,797 : x
2. Step 2: Convert to fraction form
   1,815,356/3,910,797 = 3,910,797/x
3. Step 3: Cross multiply
   1,815,356x = 3,910,797 × 3,910,797
4. Step 4: Simplify right side
   1,815,356x = 15,294,333,175,209
5. Step 5: Solve for x
   x = 15,294,333,175,209/1,815,356
6. Step 6: Final answer
   x = 8,424,977.35