Finding the Third Proportional to 1,213,974 and 2,659,230

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,974 : 2,659,230 = 2,659,230 : x
2. Step 2: Convert to fraction form
   1,213,974/2,659,230 = 2,659,230/x
3. Step 3: Cross multiply
   1,213,974x = 2,659,230 × 2,659,230
4. Step 4: Simplify right side
   1,213,974x = 7,071,504,192,900
5. Step 5: Solve for x
   x = 7,071,504,192,900/1,213,974
6. Step 6: Final answer
   x = 5,825,087.02