Finding the Third Proportional to 1,394,476 and 2,154,779

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394,476 : 2,154,779 = 2,154,779 : x
2. Step 2: Convert to fraction form
   1,394,476/2,154,779 = 2,154,779/x
3. Step 3: Cross multiply
   1,394,476x = 2,154,779 × 2,154,779
4. Step 4: Simplify right side
   1,394,476x = 4,643,072,538,841
5. Step 5: Solve for x
   x = 4,643,072,538,841/1,394,476
6. Step 6: Final answer
   x = 3,329,618.11