Finding the Third Proportional to 11,722,966 and 17,706,945

Step by Step Solution

1. Step 1: Write the proportion equation
   11,722,966 : 17,706,945 = 17,706,945 : x
2. Step 2: Convert to fraction form
   11,722,966/17,706,945 = 17,706,945/x
3. Step 3: Cross multiply
   11,722,966x = 17,706,945 × 17,706,945
4. Step 4: Simplify right side
   11,722,966x = 313,535,901,233,025
5. Step 5: Solve for x
   x = 313,535,901,233,025/11,722,966
6. Step 6: Final answer
   x = 26,745,441.49