Finding the Third Proportional to 1,227,658 and 2,667,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,658 : 2,667,820 = 2,667,820 : x
2. Step 2: Convert to fraction form
   1,227,658/2,667,820 = 2,667,820/x
3. Step 3: Cross multiply
   1,227,658x = 2,667,820 × 2,667,820
4. Step 4: Simplify right side
   1,227,658x = 7,117,263,552,400
5. Step 5: Solve for x
   x = 7,117,263,552,400/1,227,658
6. Step 6: Final answer
   x = 5,797,431.82