Finding the Third Proportional to 3,342,914 and 7,217,836

Step by Step Solution

1. Step 1: Write the proportion equation
   3,342,914 : 7,217,836 = 7,217,836 : x
2. Step 2: Convert to fraction form
   3,342,914/7,217,836 = 7,217,836/x
3. Step 3: Cross multiply
   3,342,914x = 7,217,836 × 7,217,836
4. Step 4: Simplify right side
   3,342,914x = 52,097,156,522,896
5. Step 5: Solve for x
   x = 52,097,156,522,896/3,342,914
6. Step 6: Final answer
   x = 15,584,354.41