Finding the Third Proportional to 11,444,763,699 and 15,458,029,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,444,763,699 : 15,458,029,591.50 = 15,458,029,591.50 : x
2. Step 2: Convert to fraction form
   11,444,763,699/15,458,029,591.50 = 15,458,029,591.50/x
3. Step 3: Cross multiply
   11,444,763,699x = 15,458,029,591.50 × 15,458,029,591.50
4. Step 4: Simplify right side
   11,444,763,699x = 238,950,678,851,689,644,032
5. Step 5: Solve for x
   x = 238,950,678,851,689,644,032/11,444,763,699
6. Step 6: Final answer
   x = 20,878,603,100.61