Finding the Third Proportional to 5,196,240 and 8,065,485

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196,240 : 8,065,485 = 8,065,485 : x
2. Step 2: Convert to fraction form
   5,196,240/8,065,485 = 8,065,485/x
3. Step 3: Cross multiply
   5,196,240x = 8,065,485 × 8,065,485
4. Step 4: Simplify right side
   5,196,240x = 65,052,048,285,225
5. Step 5: Solve for x
   x = 65,052,048,285,225/5,196,240
6. Step 6: Final answer
   x = 12,519,061.53