Finding the Third Proportional to 8,886,105,702 and 18,507,709,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886,105,702 : 18,507,709,147.50 = 18,507,709,147.50 : x
2. Step 2: Convert to fraction form
   8,886,105,702/18,507,709,147.50 = 18,507,709,147.50/x
3. Step 3: Cross multiply
   8,886,105,702x = 18,507,709,147.50 × 18,507,709,147.50
4. Step 4: Simplify right side
   8,886,105,702x = 342,535,297,888,455,163,904
5. Step 5: Solve for x
   x = 342,535,297,888,455,163,904/8,886,105,702
6. Step 6: Final answer
   x = 38,547,290,497.72