Finding the Third Proportional to 8,886,105,648 and 18,507,709,028.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886,105,648 : 18,507,709,028.25 = 18,507,709,028.25 : x
2. Step 2: Convert to fraction form
   8,886,105,648/18,507,709,028.25 = 18,507,709,028.25/x
3. Step 3: Cross multiply
   8,886,105,648x = 18,507,709,028.25 × 18,507,709,028.25
4. Step 4: Simplify right side
   8,886,105,648x = 342,535,293,474,366,554,112
5. Step 5: Solve for x
   x = 342,535,293,474,366,554,112/8,886,105,648
6. Step 6: Final answer
   x = 38,547,290,235.23