Finding the Third Proportional to 8,886,105,895.50 and 18,507,709,503

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886,105,895.50 : 18,507,709,503 = 18,507,709,503 : x
2. Step 2: Convert to fraction form
   8,886,105,895.50/18,507,709,503 = 18,507,709,503/x
3. Step 3: Cross multiply
   8,886,105,895.50x = 18,507,709,503 × 18,507,709,503
4. Step 4: Simplify right side
   8,886,105,895.50x = 342,535,311,047,436,533,760
5. Step 5: Solve for x
   x = 342,535,311,047,436,533,760/8,886,105,895.50
6. Step 6: Final answer
   x = 38,547,291,139.18