Finding the Third Proportional to 1,286,615 and 1,892,495

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,615 : 1,892,495 = 1,892,495 : x
2. Step 2: Convert to fraction form
   1,286,615/1,892,495 = 1,892,495/x
3. Step 3: Cross multiply
   1,286,615x = 1,892,495 × 1,892,495
4. Step 4: Simplify right side
   1,286,615x = 3,581,537,325,025
5. Step 5: Solve for x
   x = 3,581,537,325,025/1,286,615
6. Step 6: Final answer
   x = 2,783,690.01