Finding the Third Proportional to 3,903,304 and 8,458,208

Step by Step Solution

1. Step 1: Write the proportion equation
   3,903,304 : 8,458,208 = 8,458,208 : x
2. Step 2: Convert to fraction form
   3,903,304/8,458,208 = 8,458,208/x
3. Step 3: Cross multiply
   3,903,304x = 8,458,208 × 8,458,208
4. Step 4: Simplify right side
   3,903,304x = 71,541,282,571,264
5. Step 5: Solve for x
   x = 71,541,282,571,264/3,903,304
6. Step 6: Final answer
   x = 18,328,391.17