Finding the Third Proportional to 11,896,758,216 and 17,797,968,885

Step by Step Solution

1. Step 1: Write the proportion equation
   11,896,758,216 : 17,797,968,885 = 17,797,968,885 : x
2. Step 2: Convert to fraction form
   11,896,758,216/17,797,968,885 = 17,797,968,885/x
3. Step 3: Cross multiply
   11,896,758,216x = 17,797,968,885 × 17,797,968,885
4. Step 4: Simplify right side
   11,896,758,216x = 316,767,696,431,428,141,056
5. Step 5: Solve for x
   x = 316,767,696,431,428,141,056/11,896,758,216
6. Step 6: Final answer
   x = 26,626,387,683.11