Finding the Third Proportional to 8,189,536 and 12,845,796

Step by Step Solution

1. Step 1: Write the proportion equation
   8,189,536 : 12,845,796 = 12,845,796 : x
2. Step 2: Convert to fraction form
   8,189,536/12,845,796 = 12,845,796/x
3. Step 3: Cross multiply
   8,189,536x = 12,845,796 × 12,845,796
4. Step 4: Simplify right side
   8,189,536x = 165,014,474,873,616
5. Step 5: Solve for x
   x = 165,014,474,873,616/8,189,536
6. Step 6: Final answer
   x = 20,149,429.09