Finding the Third Proportional to 12,109,252 and 18,214,886

Step by Step Solution

1. Step 1: Write the proportion equation
   12,109,252 : 18,214,886 = 18,214,886 : x
2. Step 2: Convert to fraction form
   12,109,252/18,214,886 = 18,214,886/x
3. Step 3: Cross multiply
   12,109,252x = 18,214,886 × 18,214,886
4. Step 4: Simplify right side
   12,109,252x = 331,782,071,992,996
5. Step 5: Solve for x
   x = 331,782,071,992,996/12,109,252
6. Step 6: Final answer
   x = 27,399,055.86