Finding the Third Proportional to 3,901,395 and 8,378,026

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901,395 : 8,378,026 = 8,378,026 : x
2. Step 2: Convert to fraction form
   3,901,395/8,378,026 = 8,378,026/x
3. Step 3: Cross multiply
   3,901,395x = 8,378,026 × 8,378,026
4. Step 4: Simplify right side
   3,901,395x = 70,191,319,656,676
5. Step 5: Solve for x
   x = 70,191,319,656,676/3,901,395
6. Step 6: Final answer
   x = 17,991,338.91