Finding the Third Proportional to 7,867,133 and 12,150,081

Step by Step Solution

1. Step 1: Write the proportion equation
   7,867,133 : 12,150,081 = 12,150,081 : x
2. Step 2: Convert to fraction form
   7,867,133/12,150,081 = 12,150,081/x
3. Step 3: Cross multiply
   7,867,133x = 12,150,081 × 12,150,081
4. Step 4: Simplify right side
   7,867,133x = 147,624,468,306,561
5. Step 5: Solve for x
   x = 147,624,468,306,561/7,867,133
6. Step 6: Final answer
   x = 18,764,709.88