Finding the Third Proportional to 1,278,578 and 1,941,195

Step by Step Solution

1. Step 1: Write the proportion equation
   1,278,578 : 1,941,195 = 1,941,195 : x
2. Step 2: Convert to fraction form
   1,278,578/1,941,195 = 1,941,195/x
3. Step 3: Cross multiply
   1,278,578x = 1,941,195 × 1,941,195
4. Step 4: Simplify right side
   1,278,578x = 3,768,238,028,025
5. Step 5: Solve for x
   x = 3,768,238,028,025/1,278,578
6. Step 6: Final answer
   x = 2,947,210.13