Finding the Third Proportional to 1,399,932 and 2,171,826

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,932 : 2,171,826 = 2,171,826 : x
2. Step 2: Convert to fraction form
   1,399,932/2,171,826 = 2,171,826/x
3. Step 3: Cross multiply
   1,399,932x = 2,171,826 × 2,171,826
4. Step 4: Simplify right side
   1,399,932x = 4,716,828,174,276
5. Step 5: Solve for x
   x = 4,716,828,174,276/1,399,932
6. Step 6: Final answer
   x = 3,369,326.63