Finding the Third Proportional to 8,886,105,700.31 and 18,507,709,144.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886,105,700.31 : 18,507,709,144.69 = 18,507,709,144.69 : x
2. Step 2: Convert to fraction form
   8,886,105,700.31/18,507,709,144.69 = 18,507,709,144.69/x
3. Step 3: Cross multiply
   8,886,105,700.31x = 18,507,709,144.69 × 18,507,709,144.69
4. Step 4: Simplify right side
   8,886,105,700.31x = 342,535,297,784,367,808,512
5. Step 5: Solve for x
   x = 342,535,297,784,367,808,512/8,886,105,700.31
6. Step 6: Final answer
   x = 38,547,290,493.33