Finding the Third Proportional to 7,867,122 and 12,150,063

Step by Step Solution

1. Step 1: Write the proportion equation
   7,867,122 : 12,150,063 = 12,150,063 : x
2. Step 2: Convert to fraction form
   7,867,122/12,150,063 = 12,150,063/x
3. Step 3: Cross multiply
   7,867,122x = 12,150,063 × 12,150,063
4. Step 4: Simplify right side
   7,867,122x = 147,624,030,903,969
5. Step 5: Solve for x
   x = 147,624,030,903,969/7,867,122
6. Step 6: Final answer
   x = 18,764,680.52