Finding the Third Proportional to 11,726,716 and 17,938,834

Step by Step Solution

1. Step 1: Write the proportion equation
   11,726,716 : 17,938,834 = 17,938,834 : x
2. Step 2: Convert to fraction form
   11,726,716/17,938,834 = 17,938,834/x
3. Step 3: Cross multiply
   11,726,716x = 17,938,834 × 17,938,834
4. Step 4: Simplify right side
   11,726,716x = 321,801,765,279,556
5. Step 5: Solve for x
   x = 321,801,765,279,556/11,726,716
6. Step 6: Final answer
   x = 27,441,763.34