Finding the Third Proportional to 8,189,636 and 12,845,950

Step by Step Solution

1. Step 1: Write the proportion equation
   8,189,636 : 12,845,950 = 12,845,950 : x
2. Step 2: Convert to fraction form
   8,189,636/12,845,950 = 12,845,950/x
3. Step 3: Cross multiply
   8,189,636x = 12,845,950 × 12,845,950
4. Step 4: Simplify right side
   8,189,636x = 165,018,431,402,500
5. Step 5: Solve for x
   x = 165,018,431,402,500/8,189,636
6. Step 6: Final answer
   x = 20,149,666.16