Finding the Third Proportional to 3,309,514 and 7,141,858

Step by Step Solution

1. Step 1: Write the proportion equation
   3,309,514 : 7,141,858 = 7,141,858 : x
2. Step 2: Convert to fraction form
   3,309,514/7,141,858 = 7,141,858/x
3. Step 3: Cross multiply
   3,309,514x = 7,141,858 × 7,141,858
4. Step 4: Simplify right side
   3,309,514x = 51,006,135,692,164
5. Step 5: Solve for x
   x = 51,006,135,692,164/3,309,514
6. Step 6: Final answer
   x = 15,411,971.57