Finding the Third Proportional to 3,012,540 and 4,589,400

Step by Step Solution

1. Step 1: Write the proportion equation
   3,012,540 : 4,589,400 = 4,589,400 : x
2. Step 2: Convert to fraction form
   3,012,540/4,589,400 = 4,589,400/x
3. Step 3: Cross multiply
   3,012,540x = 4,589,400 × 4,589,400
4. Step 4: Simplify right side
   3,012,540x = 21,062,592,360,000
5. Step 5: Solve for x
   x = 21,062,592,360,000/3,012,540
6. Step 6: Final answer
   x = 6,991,639.07