Finding the Third Proportional to 3,546,838 and 5,503,215

Step by Step Solution

1. Step 1: Write the proportion equation
   3,546,838 : 5,503,215 = 5,503,215 : x
2. Step 2: Convert to fraction form
   3,546,838/5,503,215 = 5,503,215/x
3. Step 3: Cross multiply
   3,546,838x = 5,503,215 × 5,503,215
4. Step 4: Simplify right side
   3,546,838x = 30,285,375,336,225
5. Step 5: Solve for x
   x = 30,285,375,336,225/3,546,838
6. Step 6: Final answer
   x = 8,538,697.10