Finding the Third Proportional to 2,143,559 and 3,317,615

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,559 : 3,317,615 = 3,317,615 : x
2. Step 2: Convert to fraction form
   2,143,559/3,317,615 = 3,317,615/x
3. Step 3: Cross multiply
   2,143,559x = 3,317,615 × 3,317,615
4. Step 4: Simplify right side
   2,143,559x = 11,006,569,288,225
5. Step 5: Solve for x
   x = 11,006,569,288,225/2,143,559
6. Step 6: Final answer
   x = 5,134,717.21