Finding the Third Proportional to 2,589,145 and 3,883,720

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589,145 : 3,883,720 = 3,883,720 : x
2. Step 2: Convert to fraction form
   2,589,145/3,883,720 = 3,883,720/x
3. Step 3: Cross multiply
   2,589,145x = 3,883,720 × 3,883,720
4. Step 4: Simplify right side
   2,589,145x = 15,083,281,038,400
5. Step 5: Solve for x
   x = 15,083,281,038,400/2,589,145
6. Step 6: Final answer
   x = 5,825,583.75