Finding the Third Proportional to 5,199,115 and 8,082,208

Step by Step Solution

1. Step 1: Write the proportion equation
   5,199,115 : 8,082,208 = 8,082,208 : x
2. Step 2: Convert to fraction form
   5,199,115/8,082,208 = 8,082,208/x
3. Step 3: Cross multiply
   5,199,115x = 8,082,208 × 8,082,208
4. Step 4: Simplify right side
   5,199,115x = 65,322,086,155,264
5. Step 5: Solve for x
   x = 65,322,086,155,264/5,199,115
6. Step 6: Final answer
   x = 12,564,077.95