Finding the Third Proportional to 3,411,436 and 7,354,286

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411,436 : 7,354,286 = 7,354,286 : x
2. Step 2: Convert to fraction form
   3,411,436/7,354,286 = 7,354,286/x
3. Step 3: Cross multiply
   3,411,436x = 7,354,286 × 7,354,286
4. Step 4: Simplify right side
   3,411,436x = 54,085,522,569,796
5. Step 5: Solve for x
   x = 54,085,522,569,796/3,411,436
6. Step 6: Final answer
   x = 15,854,180.64