Finding the Third Proportional to 1,419,858 and 3,115,278

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419,858 : 3,115,278 = 3,115,278 : x
2. Step 2: Convert to fraction form
   1,419,858/3,115,278 = 3,115,278/x
3. Step 3: Cross multiply
   1,419,858x = 3,115,278 × 3,115,278
4. Step 4: Simplify right side
   1,419,858x = 9,704,957,017,284
5. Step 5: Solve for x
   x = 9,704,957,017,284/1,419,858
6. Step 6: Final answer
   x = 6,835,160.29