Finding the Third Proportional to 1,058,144 and 1,589,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058,144 : 1,589,628 = 1,589,628 : x
2. Step 2: Convert to fraction form
   1,058,144/1,589,628 = 1,589,628/x
3. Step 3: Cross multiply
   1,058,144x = 1,589,628 × 1,589,628
4. Step 4: Simplify right side
   1,058,144x = 2,526,917,178,384
5. Step 5: Solve for x
   x = 2,526,917,178,384/1,058,144
6. Step 6: Final answer
   x = 2,388,065.50