Finding the Third Proportional to 11,171,919 and 17,082,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,171,919 : 17,082,760.50 = 17,082,760.50 : x
2. Step 2: Convert to fraction form
   11,171,919/17,082,760.50 = 17,082,760.50/x
3. Step 3: Cross multiply
   11,171,919x = 17,082,760.50 × 17,082,760.50
4. Step 4: Simplify right side
   11,171,919x = 291,820,706,300,360.25
5. Step 5: Solve for x
   x = 291,820,706,300,360.25/11,171,919
6. Step 6: Final answer
   x = 26,120,911.39