Finding the Third Proportional to 913,688 and 2,105,804

Step by Step Solution

1. Step 1: Write the proportion equation
   913,688 : 2,105,804 = 2,105,804 : x
2. Step 2: Convert to fraction form
   913,688/2,105,804 = 2,105,804/x
3. Step 3: Cross multiply
   913,688x = 2,105,804 × 2,105,804
4. Step 4: Simplify right side
   913,688x = 4,434,410,486,416
5. Step 5: Solve for x
   x = 4,434,410,486,416/913,688
6. Step 6: Final answer
   x = 4,853,309.32