Finding the Third Proportional to 11,822,972 and 17,819,020

Step by Step Solution

1. Step 1: Write the proportion equation
   11,822,972 : 17,819,020 = 17,819,020 : x
2. Step 2: Convert to fraction form
   11,822,972/17,819,020 = 17,819,020/x
3. Step 3: Cross multiply
   11,822,972x = 17,819,020 × 17,819,020
4. Step 4: Simplify right side
   11,822,972x = 317,517,473,760,400
5. Step 5: Solve for x
   x = 317,517,473,760,400/11,822,972
6. Step 6: Final answer
   x = 26,855,977.82