Finding the Third Proportional to 1,058,872 and 2,174,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058,872 : 2,174,072 = 2,174,072 : x
2. Step 2: Convert to fraction form
   1,058,872/2,174,072 = 2,174,072/x
3. Step 3: Cross multiply
   1,058,872x = 2,174,072 × 2,174,072
4. Step 4: Simplify right side
   1,058,872x = 4,726,589,061,184
5. Step 5: Solve for x
   x = 4,726,589,061,184/1,058,872
6. Step 6: Final answer
   x = 4,463,796.44