Finding the Third Proportional to 2,015,013 and 4,257,453

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,013 : 4,257,453 = 4,257,453 : x
2. Step 2: Convert to fraction form
   2,015,013/4,257,453 = 4,257,453/x
3. Step 3: Cross multiply
   2,015,013x = 4,257,453 × 4,257,453
4. Step 4: Simplify right side
   2,015,013x = 18,125,906,047,209
5. Step 5: Solve for x
   x = 18,125,906,047,209/2,015,013
6. Step 6: Final answer
   x = 8,995,428.84