Finding the Third Proportional to 1,538,286 and 3,366,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,286 : 3,366,440 = 3,366,440 : x
2. Step 2: Convert to fraction form
   1,538,286/3,366,440 = 3,366,440/x
3. Step 3: Cross multiply
   1,538,286x = 3,366,440 × 3,366,440
4. Step 4: Simplify right side
   1,538,286x = 11,332,918,273,600
5. Step 5: Solve for x
   x = 11,332,918,273,600/1,538,286
6. Step 6: Final answer
   x = 7,367,237.48