Finding the Third Proportional to 5,503,408 and 8,338,344

Step by Step Solution

1. Step 1: Write the proportion equation
   5,503,408 : 8,338,344 = 8,338,344 : x
2. Step 2: Convert to fraction form
   5,503,408/8,338,344 = 8,338,344/x
3. Step 3: Cross multiply
   5,503,408x = 8,338,344 × 8,338,344
4. Step 4: Simplify right side
   5,503,408x = 69,527,980,662,336
5. Step 5: Solve for x
   x = 69,527,980,662,336/5,503,408
6. Step 6: Final answer
   x = 12,633,622.78