Finding the Third Proportional to 1,219,274 and 2,679,892

Step by Step Solution

1. Step 1: Write the proportion equation
   1,219,274 : 2,679,892 = 2,679,892 : x
2. Step 2: Convert to fraction form
   1,219,274/2,679,892 = 2,679,892/x
3. Step 3: Cross multiply
   1,219,274x = 2,679,892 × 2,679,892
4. Step 4: Simplify right side
   1,219,274x = 7,181,821,131,664
5. Step 5: Solve for x
   x = 7,181,821,131,664/1,219,274
6. Step 6: Final answer
   x = 5,890,243.81