Finding the Third Proportional to 7,867,250 and 12,150,309

Step by Step Solution

1. Step 1: Write the proportion equation
   7,867,250 : 12,150,309 = 12,150,309 : x
2. Step 2: Convert to fraction form
   7,867,250/12,150,309 = 12,150,309/x
3. Step 3: Cross multiply
   7,867,250x = 12,150,309 × 12,150,309
4. Step 4: Simplify right side
   7,867,250x = 147,630,008,795,481
5. Step 5: Solve for x
   x = 147,630,008,795,481/7,867,250
6. Step 6: Final answer
   x = 18,765,135.06