Finding the Third Proportional to 1,215,706 and 2,814,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,706 : 2,814,142 = 2,814,142 : x
2. Step 2: Convert to fraction form
   1,215,706/2,814,142 = 2,814,142/x
3. Step 3: Cross multiply
   1,215,706x = 2,814,142 × 2,814,142
4. Step 4: Simplify right side
   1,215,706x = 7,919,395,196,164
5. Step 5: Solve for x
   x = 7,919,395,196,164/1,215,706
6. Step 6: Final answer
   x = 6,514,235.51