Finding the Third Proportional to 13,192,507 and 20,181,096

Step by Step Solution

1. Step 1: Write the proportion equation
   13,192,507 : 20,181,096 = 20,181,096 : x
2. Step 2: Convert to fraction form
   13,192,507/20,181,096 = 20,181,096/x
3. Step 3: Cross multiply
   13,192,507x = 20,181,096 × 20,181,096
4. Step 4: Simplify right side
   13,192,507x = 407,276,635,761,216
5. Step 5: Solve for x
   x = 407,276,635,761,216/13,192,507
6. Step 6: Final answer
   x = 30,871,815.02