Finding the Third Proportional to 19,993,737,738 and 41,642,345,372

Step by Step Solution

1. Step 1: Write the proportion equation
   19,993,737,738 : 41,642,345,372 = 41,642,345,372 : x
2. Step 2: Convert to fraction form
   19,993,737,738/41,642,345,372 = 41,642,345,372/x
3. Step 3: Cross multiply
   19,993,737,738x = 41,642,345,372 × 41,642,345,372
4. Step 4: Simplify right side
   19,993,737,738x = 1,734,084,928,080,929,882,112
5. Step 5: Solve for x
   x = 1,734,084,928,080,929,882,112/19,993,737,738
6. Step 6: Final answer
   x = 86,731,403,142.55