Finding the Third Proportional to 3,530,171 and 7,620,214

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530,171 : 7,620,214 = 7,620,214 : x
2. Step 2: Convert to fraction form
   3,530,171/7,620,214 = 7,620,214/x
3. Step 3: Cross multiply
   3,530,171x = 7,620,214 × 7,620,214
4. Step 4: Simplify right side
   3,530,171x = 58,067,661,405,796
5. Step 5: Solve for x
   x = 58,067,661,405,796/3,530,171
6. Step 6: Final answer
   x = 16,448,965.62