Finding the Third Proportional to 11,822,966 and 17,819,012

Step by Step Solution

1. Step 1: Write the proportion equation
   11,822,966 : 17,819,012 = 17,819,012 : x
2. Step 2: Convert to fraction form
   11,822,966/17,819,012 = 17,819,012/x
3. Step 3: Cross multiply
   11,822,966x = 17,819,012 × 17,819,012
4. Step 4: Simplify right side
   11,822,966x = 317,517,188,656,144
5. Step 5: Solve for x
   x = 317,517,188,656,144/11,822,966
6. Step 6: Final answer
   x = 26,855,967.33