Finding the Third Proportional to 7,867,136 and 12,150,084

Step by Step Solution

1. Step 1: Write the proportion equation
   7,867,136 : 12,150,084 = 12,150,084 : x
2. Step 2: Convert to fraction form
   7,867,136/12,150,084 = 12,150,084/x
3. Step 3: Cross multiply
   7,867,136x = 12,150,084 × 12,150,084
4. Step 4: Simplify right side
   7,867,136x = 147,624,541,207,056
5. Step 5: Solve for x
   x = 147,624,541,207,056/7,867,136
6. Step 6: Final answer
   x = 18,764,711.99