Finding the Third Proportional to 11,087,879,287 and 16,911,091,271

Step by Step Solution

1. Step 1: Write the proportion equation
   11,087,879,287 : 16,911,091,271 = 16,911,091,271 : x
2. Step 2: Convert to fraction form
   11,087,879,287/16,911,091,271 = 16,911,091,271/x
3. Step 3: Cross multiply
   11,087,879,287x = 16,911,091,271 × 16,911,091,271
4. Step 4: Simplify right side
   11,087,879,287x = 285,985,007,976,092,401,664
5. Step 5: Solve for x
   x = 285,985,007,976,092,401,664/11,087,879,287
6. Step 6: Final answer
   x = 25,792,579,498.17