Finding the Third Proportional to 677,828 and 1,411,798

Step by Step Solution

1. Step 1: Write the proportion equation
   677,828 : 1,411,798 = 1,411,798 : x
2. Step 2: Convert to fraction form
   677,828/1,411,798 = 1,411,798/x
3. Step 3: Cross multiply
   677,828x = 1,411,798 × 1,411,798
4. Step 4: Simplify right side
   677,828x = 1,993,173,592,804
5. Step 5: Solve for x
   x = 1,993,173,592,804/677,828
6. Step 6: Final answer
   x = 2,940,530.04