Finding the Third Proportional to 6,111,686 and 12,951,912

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111,686 : 12,951,912 = 12,951,912 : x
2. Step 2: Convert to fraction form
   6,111,686/12,951,912 = 12,951,912/x
3. Step 3: Cross multiply
   6,111,686x = 12,951,912 × 12,951,912
4. Step 4: Simplify right side
   6,111,686x = 167,752,024,455,744
5. Step 5: Solve for x
   x = 167,752,024,455,744/6,111,686
6. Step 6: Final answer
   x = 27,447,749.19