Finding the Third Proportional to 11,726,664 and 17,938,740

Step by Step Solution

1. Step 1: Write the proportion equation
   11,726,664 : 17,938,740 = 17,938,740 : x
2. Step 2: Convert to fraction form
   11,726,664/17,938,740 = 17,938,740/x
3. Step 3: Cross multiply
   11,726,664x = 17,938,740 × 17,938,740
4. Step 4: Simplify right side
   11,726,664x = 321,798,392,787,600
5. Step 5: Solve for x
   x = 321,798,392,787,600/11,726,664
6. Step 6: Final answer
   x = 27,441,597.44