Finding the Third Proportional to 3,687,086 and 7,668,476

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687,086 : 7,668,476 = 7,668,476 : x
2. Step 2: Convert to fraction form
   3,687,086/7,668,476 = 7,668,476/x
3. Step 3: Cross multiply
   3,687,086x = 7,668,476 × 7,668,476
4. Step 4: Simplify right side
   3,687,086x = 58,805,524,162,576
5. Step 5: Solve for x
   x = 58,805,524,162,576/3,687,086
6. Step 6: Final answer
   x = 15,949,051.41