Finding the Third Proportional to 1,215,708 and 2,814,147

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,708 : 2,814,147 = 2,814,147 : x
2. Step 2: Convert to fraction form
   1,215,708/2,814,147 = 2,814,147/x
3. Step 3: Cross multiply
   1,215,708x = 2,814,147 × 2,814,147
4. Step 4: Simplify right side
   1,215,708x = 7,919,423,337,609
5. Step 5: Solve for x
   x = 7,919,423,337,609/1,215,708
6. Step 6: Final answer
   x = 6,514,247.94