Finding the Third Proportional to 4,891,729,379,266.50 and 10,642,300,428,740

Step by Step Solution

1. Step 1: Write the proportion equation
   4,891,729,379,266.50 : 10,642,300,428,740 = 10,642,300,428,740 : x
2. Step 2: Convert to fraction form
   4,891,729,379,266.50/10,642,300,428,740 = 10,642,300,428,740/x
3. Step 3: Cross multiply
   4,891,729,379,266.50x = 10,642,300,428,740 × 10,642,300,428,740
4. Step 4: Simplify right side
   4,891,729,379,266.50x = 113,258,558,415,559,589,544,067,072
5. Step 5: Solve for x
   x = 113,258,558,415,559,589,544,067,072/4,891,729,379,266.50
6. Step 6: Final answer
   x = 23,153,071,160,396.52