Finding the Third Proportional to 2,945,720 and 4,571,811

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945,720 : 4,571,811 = 4,571,811 : x
2. Step 2: Convert to fraction form
   2,945,720/4,571,811 = 4,571,811/x
3. Step 3: Cross multiply
   2,945,720x = 4,571,811 × 4,571,811
4. Step 4: Simplify right side
   2,945,720x = 20,901,455,819,721
5. Step 5: Solve for x
   x = 20,901,455,819,721/2,945,720
6. Step 6: Final answer
   x = 7,095,533.80