Finding the Third Proportional to 11,822,968.50 and 17,819,019

Step by Step Solution

1. Step 1: Write the proportion equation
   11,822,968.50 : 17,819,019 = 17,819,019 : x
2. Step 2: Convert to fraction form
   11,822,968.50/17,819,019 = 17,819,019/x
3. Step 3: Cross multiply
   11,822,968.50x = 17,819,019 × 17,819,019
4. Step 4: Simplify right side
   11,822,968.50x = 317,517,438,122,361
5. Step 5: Solve for x
   x = 317,517,438,122,361/11,822,968.50
6. Step 6: Final answer
   x = 26,855,982.75