Finding the Third Proportional to 6,266,920 and 8,455,560

Step by Step Solution

1. Step 1: Write the proportion equation
   6,266,920 : 8,455,560 = 8,455,560 : x
2. Step 2: Convert to fraction form
   6,266,920/8,455,560 = 8,455,560/x
3. Step 3: Cross multiply
   6,266,920x = 8,455,560 × 8,455,560
4. Step 4: Simplify right side
   6,266,920x = 71,496,494,913,600
5. Step 5: Solve for x
   x = 71,496,494,913,600/6,266,920
6. Step 6: Final answer
   x = 11,408,553.95