Finding the Third Proportional to 2,156,415,813 and 3,081,568,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,415,813 : 3,081,568,099.50 = 3,081,568,099.50 : x
2. Step 2: Convert to fraction form
   2,156,415,813/3,081,568,099.50 = 3,081,568,099.50/x
3. Step 3: Cross multiply
   2,156,415,813x = 3,081,568,099.50 × 3,081,568,099.50
4. Step 4: Simplify right side
   2,156,415,813x = 9,496,061,951,856,041,984
5. Step 5: Solve for x
   x = 9,496,061,951,856,041,984/2,156,415,813
6. Step 6: Final answer
   x = 4,403,632,126.33