Finding the Third Proportional to 1,215,704 and 2,814,137

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,704 : 2,814,137 = 2,814,137 : x
2. Step 2: Convert to fraction form
   1,215,704/2,814,137 = 2,814,137/x
3. Step 3: Cross multiply
   1,215,704x = 2,814,137 × 2,814,137
4. Step 4: Simplify right side
   1,215,704x = 7,919,367,054,769
5. Step 5: Solve for x
   x = 7,919,367,054,769/1,215,704
6. Step 6: Final answer
   x = 6,514,223.08