Finding the Third Proportional to 11,173,918 and 17,085,768

Step by Step Solution

1. Step 1: Write the proportion equation
   11,173,918 : 17,085,768 = 17,085,768 : x
2. Step 2: Convert to fraction form
   11,173,918/17,085,768 = 17,085,768/x
3. Step 3: Cross multiply
   11,173,918x = 17,085,768 × 17,085,768
4. Step 4: Simplify right side
   11,173,918x = 291,923,468,149,824
5. Step 5: Solve for x
   x = 291,923,468,149,824/11,173,918
6. Step 6: Final answer
   x = 26,125,434.98