Finding the Third Proportional to 3,531,778 and 7,628,071

Step by Step Solution

1. Step 1: Write the proportion equation
   3,531,778 : 7,628,071 = 7,628,071 : x
2. Step 2: Convert to fraction form
   3,531,778/7,628,071 = 7,628,071/x
3. Step 3: Cross multiply
   3,531,778x = 7,628,071 × 7,628,071
4. Step 4: Simplify right side
   3,531,778x = 58,187,467,181,041
5. Step 5: Solve for x
   x = 58,187,467,181,041/3,531,778
6. Step 6: Final answer
   x = 16,475,403.38