Finding the Third Proportional to 1,319,940 and 2,058,786

Step by Step Solution

1. Step 1: Write the proportion equation
   1,319,940 : 2,058,786 = 2,058,786 : x
2. Step 2: Convert to fraction form
   1,319,940/2,058,786 = 2,058,786/x
3. Step 3: Cross multiply
   1,319,940x = 2,058,786 × 2,058,786
4. Step 4: Simplify right side
   1,319,940x = 4,238,599,793,796
5. Step 5: Solve for x
   x = 4,238,599,793,796/1,319,940
6. Step 6: Final answer
   x = 3,211,206.41