Finding the Third Proportional to 3,676,408 and 8,078,492

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676,408 : 8,078,492 = 8,078,492 : x
2. Step 2: Convert to fraction form
   3,676,408/8,078,492 = 8,078,492/x
3. Step 3: Cross multiply
   3,676,408x = 8,078,492 × 8,078,492
4. Step 4: Simplify right side
   3,676,408x = 65,262,032,994,064
5. Step 5: Solve for x
   x = 65,262,032,994,064/3,676,408
6. Step 6: Final answer
   x = 17,751,575.18