Finding the Third Proportional to 1,320,040 and 2,058,900

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320,040 : 2,058,900 = 2,058,900 : x
2. Step 2: Convert to fraction form
   1,320,040/2,058,900 = 2,058,900/x
3. Step 3: Cross multiply
   1,320,040x = 2,058,900 × 2,058,900
4. Step 4: Simplify right side
   1,320,040x = 4,239,069,210,000
5. Step 5: Solve for x
   x = 4,239,069,210,000/1,320,040
6. Step 6: Final answer
   x = 3,211,318.76