Finding the Third Proportional to 1,355,516 and 1,807,149

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,516 : 1,807,149 = 1,807,149 : x
2. Step 2: Convert to fraction form
   1,355,516/1,807,149 = 1,807,149/x
3. Step 3: Cross multiply
   1,355,516x = 1,807,149 × 1,807,149
4. Step 4: Simplify right side
   1,355,516x = 3,265,787,508,201
5. Step 5: Solve for x
   x = 3,265,787,508,201/1,355,516
6. Step 6: Final answer
   x = 2,409,257.81