Finding the Third Proportional to 8,189,532 and 12,845,790

Step by Step Solution

1. Step 1: Write the proportion equation
   8,189,532 : 12,845,790 = 12,845,790 : x
2. Step 2: Convert to fraction form
   8,189,532/12,845,790 = 12,845,790/x
3. Step 3: Cross multiply
   8,189,532x = 12,845,790 × 12,845,790
4. Step 4: Simplify right side
   8,189,532x = 165,014,320,724,100
5. Step 5: Solve for x
   x = 165,014,320,724,100/8,189,532
6. Step 6: Final answer
   x = 20,149,420.10