Finding the Third Proportional to 4,214,468 and 8,930,476

Step by Step Solution

1. Step 1: Write the proportion equation
   4,214,468 : 8,930,476 = 8,930,476 : x
2. Step 2: Convert to fraction form
   4,214,468/8,930,476 = 8,930,476/x
3. Step 3: Cross multiply
   4,214,468x = 8,930,476 × 8,930,476
4. Step 4: Simplify right side
   4,214,468x = 79,753,401,586,576
5. Step 5: Solve for x
   x = 79,753,401,586,576/4,214,468
6. Step 6: Final answer
   x = 18,923,717.44