Finding the Third Proportional to 11,726,640 and 17,938,704

Step by Step Solution

1. Step 1: Write the proportion equation
   11,726,640 : 17,938,704 = 17,938,704 : x
2. Step 2: Convert to fraction form
   11,726,640/17,938,704 = 17,938,704/x
3. Step 3: Cross multiply
   11,726,640x = 17,938,704 × 17,938,704
4. Step 4: Simplify right side
   11,726,640x = 321,797,101,199,616
5. Step 5: Solve for x
   x = 321,797,101,199,616/11,726,640
6. Step 6: Final answer
   x = 27,441,543.46