Finding the Third Proportional to 1,645,408 and 2,511,854

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,408 : 2,511,854 = 2,511,854 : x
2. Step 2: Convert to fraction form
   1,645,408/2,511,854 = 2,511,854/x
3. Step 3: Cross multiply
   1,645,408x = 2,511,854 × 2,511,854
4. Step 4: Simplify right side
   1,645,408x = 6,309,410,517,316
5. Step 5: Solve for x
   x = 6,309,410,517,316/1,645,408
6. Step 6: Final answer
   x = 3,834,556.85