Finding the Third Proportional to 1,058,336 and 1,589,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058,336 : 1,589,890 = 1,589,890 : x
2. Step 2: Convert to fraction form
   1,058,336/1,589,890 = 1,589,890/x
3. Step 3: Cross multiply
   1,058,336x = 1,589,890 × 1,589,890
4. Step 4: Simplify right side
   1,058,336x = 2,527,750,212,100
5. Step 5: Solve for x
   x = 2,527,750,212,100/1,058,336
6. Step 6: Final answer
   x = 2,388,419.38