Finding the Third Proportional to 8,189,015 and 12,845,040

Step by Step Solution

1. Step 1: Write the proportion equation
   8,189,015 : 12,845,040 = 12,845,040 : x
2. Step 2: Convert to fraction form
   8,189,015/12,845,040 = 12,845,040/x
3. Step 3: Cross multiply
   8,189,015x = 12,845,040 × 12,845,040
4. Step 4: Simplify right side
   8,189,015x = 164,995,052,601,600
5. Step 5: Solve for x
   x = 164,995,052,601,600/8,189,015
6. Step 6: Final answer
   x = 20,148,339.28