Finding the Third Proportional to 2,621,828,112 and 5,617,624,203

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621,828,112 : 5,617,624,203 = 5,617,624,203 : x
2. Step 2: Convert to fraction form
   2,621,828,112/5,617,624,203 = 5,617,624,203/x
3. Step 3: Cross multiply
   2,621,828,112x = 5,617,624,203 × 5,617,624,203
4. Step 4: Simplify right side
   2,621,828,112x = 31,557,701,686,131,384,320
5. Step 5: Solve for x
   x = 31,557,701,686,131,384,320/2,621,828,112
6. Step 6: Final answer
   x = 12,036,525,789.66