Finding the Third Proportional to 11,754,399 and 17,809,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,754,399 : 17,809,042.50 = 17,809,042.50 : x
2. Step 2: Convert to fraction form
   11,754,399/17,809,042.50 = 17,809,042.50/x
3. Step 3: Cross multiply
   11,754,399x = 17,809,042.50 × 17,809,042.50
4. Step 4: Simplify right side
   11,754,399x = 317,161,994,766,806.25
5. Step 5: Solve for x
   x = 317,161,994,766,806.25/11,754,399
6. Step 6: Final answer
   x = 26,982,408.44