Finding the Third Proportional to 3,489,968 and 7,540,287

Step by Step Solution

1. Step 1: Write the proportion equation
   3,489,968 : 7,540,287 = 7,540,287 : x
2. Step 2: Convert to fraction form
   3,489,968/7,540,287 = 7,540,287/x
3. Step 3: Cross multiply
   3,489,968x = 7,540,287 × 7,540,287
4. Step 4: Simplify right side
   3,489,968x = 56,855,928,042,369
5. Step 5: Solve for x
   x = 56,855,928,042,369/3,489,968
6. Step 6: Final answer
   x = 16,291,246.24