Finding the Third Proportional to 11,087,879,283 and 16,911,091,264.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,087,879,283 : 16,911,091,264.50 = 16,911,091,264.50 : x
2. Step 2: Convert to fraction form
   11,087,879,283/16,911,091,264.50 = 16,911,091,264.50/x
3. Step 3: Cross multiply
   11,087,879,283x = 16,911,091,264.50 × 16,911,091,264.50
4. Step 4: Simplify right side
   11,087,879,283x = 285,985,007,756,248,219,648
5. Step 5: Solve for x
   x = 285,985,007,756,248,219,648/11,087,879,283
6. Step 6: Final answer
   x = 25,792,579,487.65