Finding the Third Proportional to 7,867,132 and 12,150,072

Step by Step Solution

1. Step 1: Write the proportion equation
   7,867,132 : 12,150,072 = 12,150,072 : x
2. Step 2: Convert to fraction form
   7,867,132/12,150,072 = 12,150,072/x
3. Step 3: Cross multiply
   7,867,132x = 12,150,072 × 12,150,072
4. Step 4: Simplify right side
   7,867,132x = 147,624,249,605,184
5. Step 5: Solve for x
   x = 147,624,249,605,184/7,867,132
6. Step 6: Final answer
   x = 18,764,684.46