Finding the Third Proportional to 5,497,408 and 8,388,264

Step by Step Solution

1. Step 1: Write the proportion equation
   5,497,408 : 8,388,264 = 8,388,264 : x
2. Step 2: Convert to fraction form
   5,497,408/8,388,264 = 8,388,264/x
3. Step 3: Cross multiply
   5,497,408x = 8,388,264 × 8,388,264
4. Step 4: Simplify right side
   5,497,408x = 70,362,972,933,696
5. Step 5: Solve for x
   x = 70,362,972,933,696/5,497,408
6. Step 6: Final answer
   x = 12,799,299.77