Finding the Third Proportional to 7,867,168 and 12,150,136

Step by Step Solution

1. Step 1: Write the proportion equation
   7,867,168 : 12,150,136 = 12,150,136 : x
2. Step 2: Convert to fraction form
   7,867,168/12,150,136 = 12,150,136/x
3. Step 3: Cross multiply
   7,867,168x = 12,150,136 × 12,150,136
4. Step 4: Simplify right side
   7,867,168x = 147,625,804,818,496
5. Step 5: Solve for x
   x = 147,625,804,818,496/7,867,168
6. Step 6: Final answer
   x = 18,764,796.28