Finding the Third Proportional to 11,111,789 and 16,697,268

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111,789 : 16,697,268 = 16,697,268 : x
2. Step 2: Convert to fraction form
   11,111,789/16,697,268 = 16,697,268/x
3. Step 3: Cross multiply
   11,111,789x = 16,697,268 × 16,697,268
4. Step 4: Simplify right side
   11,111,789x = 278,798,758,663,824
5. Step 5: Solve for x
   x = 278,798,758,663,824/11,111,789
6. Step 6: Final answer
   x = 25,090,357.52