Finding the Third Proportional to 11,643,413,544 and 25,326,876,238

Step by Step Solution

1. Step 1: Write the proportion equation
   11,643,413,544 : 25,326,876,238 = 25,326,876,238 : x
2. Step 2: Convert to fraction form
   11,643,413,544/25,326,876,238 = 25,326,876,238/x
3. Step 3: Cross multiply
   11,643,413,544x = 25,326,876,238 × 25,326,876,238
4. Step 4: Simplify right side
   11,643,413,544x = 641,450,659,974,969,032,704
5. Step 5: Solve for x
   x = 641,450,659,974,969,032,704/11,643,413,544
6. Step 6: Final answer
   x = 55,091,288,954.99