Finding the Third Proportional to 3,538,055 and 7,738,555

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538,055 : 7,738,555 = 7,738,555 : x
2. Step 2: Convert to fraction form
   3,538,055/7,738,555 = 7,738,555/x
3. Step 3: Cross multiply
   3,538,055x = 7,738,555 × 7,738,555
4. Step 4: Simplify right side
   3,538,055x = 59,885,233,488,025
5. Step 5: Solve for x
   x = 59,885,233,488,025/3,538,055
6. Step 6: Final answer
   x = 16,926,032.38