Finding the Third Proportional to 11,726,742 and 17,938,881

Step by Step Solution

1. Step 1: Write the proportion equation
   11,726,742 : 17,938,881 = 17,938,881 : x
2. Step 2: Convert to fraction form
   11,726,742/17,938,881 = 17,938,881/x
3. Step 3: Cross multiply
   11,726,742x = 17,938,881 × 17,938,881
4. Step 4: Simplify right side
   11,726,742x = 321,803,451,532,161
5. Step 5: Solve for x
   x = 321,803,451,532,161/11,726,742
6. Step 6: Final answer
   x = 27,441,846.30