Finding the Third Proportional to 2,115,414 and 3,222,708

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,414 : 3,222,708 = 3,222,708 : x
2. Step 2: Convert to fraction form
   2,115,414/3,222,708 = 3,222,708/x
3. Step 3: Cross multiply
   2,115,414x = 3,222,708 × 3,222,708
4. Step 4: Simplify right side
   2,115,414x = 10,385,846,853,264
5. Step 5: Solve for x
   x = 10,385,846,853,264/2,115,414
6. Step 6: Final answer
   x = 4,909,604.86