Finding the Third Proportional to 2,405,736 and 5,231,160

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405,736 : 5,231,160 = 5,231,160 : x
2. Step 2: Convert to fraction form
   2,405,736/5,231,160 = 5,231,160/x
3. Step 3: Cross multiply
   2,405,736x = 5,231,160 × 5,231,160
4. Step 4: Simplify right side
   2,405,736x = 27,365,034,945,600
5. Step 5: Solve for x
   x = 27,365,034,945,600/2,405,736
6. Step 6: Final answer
   x = 11,374,911.85