Finding the Third Proportional to 4,891,729,379,215.50 and 10,642,300,428,638

Step by Step Solution

1. Step 1: Write the proportion equation
   4,891,729,379,215.50 : 10,642,300,428,638 = 10,642,300,428,638 : x
2. Step 2: Convert to fraction form
   4,891,729,379,215.50/10,642,300,428,638 = 10,642,300,428,638/x
3. Step 3: Cross multiply
   4,891,729,379,215.50x = 10,642,300,428,638 × 10,642,300,428,638
4. Step 4: Simplify right side
   4,891,729,379,215.50x = 113,258,558,413,388,552,295,415,808
5. Step 5: Solve for x
   x = 113,258,558,413,388,552,295,415,808/4,891,729,379,215.50
6. Step 6: Final answer
   x = 23,153,071,160,194.09