Finding the Third Proportional to 2,131,274 and 4,565,786

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,274 : 4,565,786 = 4,565,786 : x
2. Step 2: Convert to fraction form
   2,131,274/4,565,786 = 4,565,786/x
3. Step 3: Cross multiply
   2,131,274x = 4,565,786 × 4,565,786
4. Step 4: Simplify right side
   2,131,274x = 20,846,401,797,796
5. Step 5: Solve for x
   x = 20,846,401,797,796/2,131,274
6. Step 6: Final answer
   x = 9,781,192.75