Finding the Third Proportional to 8,427,856.50 and 18,496,155

Step by Step Solution

1. Step 1: Write the proportion equation
   8,427,856.50 : 18,496,155 = 18,496,155 : x
2. Step 2: Convert to fraction form
   8,427,856.50/18,496,155 = 18,496,155/x
3. Step 3: Cross multiply
   8,427,856.50x = 18,496,155 × 18,496,155
4. Step 4: Simplify right side
   8,427,856.50x = 342,107,749,784,025
5. Step 5: Solve for x
   x = 342,107,749,784,025/8,427,856.50
6. Step 6: Final answer
   x = 40,592,498.20