Finding the Third Proportional to 12,109,572 and 20,181,852

Step by Step Solution

1. Step 1: Write the proportion equation
   12,109,572 : 20,181,852 = 20,181,852 : x
2. Step 2: Convert to fraction form
   12,109,572/20,181,852 = 20,181,852/x
3. Step 3: Cross multiply
   12,109,572x = 20,181,852 × 20,181,852
4. Step 4: Simplify right side
   12,109,572x = 407,307,150,149,904
5. Step 5: Solve for x
   x = 407,307,150,149,904/12,109,572
6. Step 6: Final answer
   x = 33,635,140.05