Finding the Third Proportional to 3,910,296 and 8,178,112

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910,296 : 8,178,112 = 8,178,112 : x
2. Step 2: Convert to fraction form
   3,910,296/8,178,112 = 8,178,112/x
3. Step 3: Cross multiply
   3,910,296x = 8,178,112 × 8,178,112
4. Step 4: Simplify right side
   3,910,296x = 66,881,515,884,544
5. Step 5: Solve for x
   x = 66,881,515,884,544/3,910,296
6. Step 6: Final answer
   x = 17,103,952.20