Finding the Third Proportional to 7,867,120 and 12,150,060

Step by Step Solution

1. Step 1: Write the proportion equation
   7,867,120 : 12,150,060 = 12,150,060 : x
2. Step 2: Convert to fraction form
   7,867,120/12,150,060 = 12,150,060/x
3. Step 3: Cross multiply
   7,867,120x = 12,150,060 × 12,150,060
4. Step 4: Simplify right side
   7,867,120x = 147,623,958,003,600
5. Step 5: Solve for x
   x = 147,623,958,003,600/7,867,120
6. Step 6: Final answer
   x = 18,764,676.02