Finding the Third Proportional to 5,340,418 and 8,274,502

Step by Step Solution

1. Step 1: Write the proportion equation
   5,340,418 : 8,274,502 = 8,274,502 : x
2. Step 2: Convert to fraction form
   5,340,418/8,274,502 = 8,274,502/x
3. Step 3: Cross multiply
   5,340,418x = 8,274,502 × 8,274,502
4. Step 4: Simplify right side
   5,340,418x = 68,467,383,348,004
5. Step 5: Solve for x
   x = 68,467,383,348,004/5,340,418
6. Step 6: Final answer
   x = 12,820,603.81