Finding the Third Proportional to 11,822,970 and 17,819,018

Step by Step Solution

1. Step 1: Write the proportion equation
   11,822,970 : 17,819,018 = 17,819,018 : x
2. Step 2: Convert to fraction form
   11,822,970/17,819,018 = 17,819,018/x
3. Step 3: Cross multiply
   11,822,970x = 17,819,018 × 17,819,018
4. Step 4: Simplify right side
   11,822,970x = 317,517,402,484,324
5. Step 5: Solve for x
   x = 317,517,402,484,324/11,822,970
6. Step 6: Final answer
   x = 26,855,976.33