Finding the Third Proportional to 629,118 and 1,368,828

Step by Step Solution

1. Step 1: Write the proportion equation
   629,118 : 1,368,828 = 1,368,828 : x
2. Step 2: Convert to fraction form
   629,118/1,368,828 = 1,368,828/x
3. Step 3: Cross multiply
   629,118x = 1,368,828 × 1,368,828
4. Step 4: Simplify right side
   629,118x = 1,873,690,093,584
5. Step 5: Solve for x
   x = 1,873,690,093,584/629,118
6. Step 6: Final answer
   x = 2,978,280.85