Finding the Third Proportional to 2,058,120 and 4,459,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058,120 : 4,459,680 = 4,459,680 : x
2. Step 2: Convert to fraction form
   2,058,120/4,459,680 = 4,459,680/x
3. Step 3: Cross multiply
   2,058,120x = 4,459,680 × 4,459,680
4. Step 4: Simplify right side
   2,058,120x = 19,888,745,702,400
5. Step 5: Solve for x
   x = 19,888,745,702,400/2,058,120
6. Step 6: Final answer
   x = 9,663,550.09