Finding the Third Proportional to 3,771,720 and 8,140,896

Step by Step Solution

1. Step 1: Write the proportion equation
   3,771,720 : 8,140,896 = 8,140,896 : x
2. Step 2: Convert to fraction form
   3,771,720/8,140,896 = 8,140,896/x
3. Step 3: Cross multiply
   3,771,720x = 8,140,896 × 8,140,896
4. Step 4: Simplify right side
   3,771,720x = 66,274,187,682,816
5. Step 5: Solve for x
   x = 66,274,187,682,816/3,771,720
6. Step 6: Final answer
   x = 17,571,343.49