Finding the Third Proportional to 3,828,908 and 8,164,653

Step by Step Solution

1. Step 1: Write the proportion equation
   3,828,908 : 8,164,653 = 8,164,653 : x
2. Step 2: Convert to fraction form
   3,828,908/8,164,653 = 8,164,653/x
3. Step 3: Cross multiply
   3,828,908x = 8,164,653 × 8,164,653
4. Step 4: Simplify right side
   3,828,908x = 66,661,558,610,409
5. Step 5: Solve for x
   x = 66,661,558,610,409/3,828,908
6. Step 6: Final answer
   x = 17,410,070.60