Finding the Third Proportional to 3,838,401 and 8,208,216

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838,401 : 8,208,216 = 8,208,216 : x
2. Step 2: Convert to fraction form
   3,838,401/8,208,216 = 8,208,216/x
3. Step 3: Cross multiply
   3,838,401x = 8,208,216 × 8,208,216
4. Step 4: Simplify right side
   3,838,401x = 67,374,809,902,656
5. Step 5: Solve for x
   x = 67,374,809,902,656/3,838,401
6. Step 6: Final answer
   x = 17,552,832.52