Finding the Third Proportional to 5,306,555 and 8,416,245

Step by Step Solution

1. Step 1: Write the proportion equation
   5,306,555 : 8,416,245 = 8,416,245 : x
2. Step 2: Convert to fraction form
   5,306,555/8,416,245 = 8,416,245/x
3. Step 3: Cross multiply
   5,306,555x = 8,416,245 × 8,416,245
4. Step 4: Simplify right side
   5,306,555x = 70,833,179,900,025
5. Step 5: Solve for x
   x = 70,833,179,900,025/5,306,555
6. Step 6: Final answer
   x = 13,348,241.92