Finding the Third Proportional to 1,803,208 and 2,790,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803,208 : 2,790,660 = 2,790,660 : x
2. Step 2: Convert to fraction form
   1,803,208/2,790,660 = 2,790,660/x
3. Step 3: Cross multiply
   1,803,208x = 2,790,660 × 2,790,660
4. Step 4: Simplify right side
   1,803,208x = 7,787,783,235,600
5. Step 5: Solve for x
   x = 7,787,783,235,600/1,803,208
6. Step 6: Final answer
   x = 4,318,849.09