Finding the Third Proportional to 11,726,738 and 17,938,875

Step by Step Solution

1. Step 1: Write the proportion equation
   11,726,738 : 17,938,875 = 17,938,875 : x
2. Step 2: Convert to fraction form
   11,726,738/17,938,875 = 17,938,875/x
3. Step 3: Cross multiply
   11,726,738x = 17,938,875 × 17,938,875
4. Step 4: Simplify right side
   11,726,738x = 321,803,236,265,625
5. Step 5: Solve for x
   x = 321,803,236,265,625/11,726,738
6. Step 6: Final answer
   x = 27,441,837.30