Finding the Third Proportional to 1,336,815 and 2,783,790

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336,815 : 2,783,790 = 2,783,790 : x
2. Step 2: Convert to fraction form
   1,336,815/2,783,790 = 2,783,790/x
3. Step 3: Cross multiply
   1,336,815x = 2,783,790 × 2,783,790
4. Step 4: Simplify right side
   1,336,815x = 7,749,486,764,100
5. Step 5: Solve for x
   x = 7,749,486,764,100/1,336,815
6. Step 6: Final answer
   x = 5,796,977.72