Finding the Third Proportional to 1,215,702 and 2,814,132

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,702 : 2,814,132 = 2,814,132 : x
2. Step 2: Convert to fraction form
   1,215,702/2,814,132 = 2,814,132/x
3. Step 3: Cross multiply
   1,215,702x = 2,814,132 × 2,814,132
4. Step 4: Simplify right side
   1,215,702x = 7,919,338,913,424
5. Step 5: Solve for x
   x = 7,919,338,913,424/1,215,702
6. Step 6: Final answer
   x = 6,514,210.65