Finding the Third Proportional to 13,132,018.69 and 20,978,610.19

Step by Step Solution

1. Step 1: Write the proportion equation
   13,132,018.69 : 20,978,610.19 = 20,978,610.19 : x
2. Step 2: Convert to fraction form
   13,132,018.69/20,978,610.19 = 20,978,610.19/x
3. Step 3: Cross multiply
   13,132,018.69x = 20,978,610.19 × 20,978,610.19
4. Step 4: Simplify right side
   13,132,018.69x = 440,102,085,399,078.81
5. Step 5: Solve for x
   x = 440,102,085,399,078.81/13,132,018.69
6. Step 6: Final answer
   x = 33,513,665.79