Finding the Third Proportional to 8,189,036 and 12,845,064

Step by Step Solution

1. Step 1: Write the proportion equation
   8,189,036 : 12,845,064 = 12,845,064 : x
2. Step 2: Convert to fraction form
   8,189,036/12,845,064 = 12,845,064/x
3. Step 3: Cross multiply
   8,189,036x = 12,845,064 × 12,845,064
4. Step 4: Simplify right side
   8,189,036x = 164,995,669,164,096
5. Step 5: Solve for x
   x = 164,995,669,164,096/8,189,036
6. Step 6: Final answer
   x = 20,148,362.90