Finding the Third Proportional to 1,400,872 and 2,141,976

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400,872 : 2,141,976 = 2,141,976 : x
2. Step 2: Convert to fraction form
   1,400,872/2,141,976 = 2,141,976/x
3. Step 3: Cross multiply
   1,400,872x = 2,141,976 × 2,141,976
4. Step 4: Simplify right side
   1,400,872x = 4,588,061,184,576
5. Step 5: Solve for x
   x = 4,588,061,184,576/1,400,872
6. Step 6: Final answer
   x = 3,275,146.61