Finding the Third Proportional to 19,993,737,844 and 41,642,345,609

Step by Step Solution

1. Step 1: Write the proportion equation
   19,993,737,844 : 41,642,345,609 = 41,642,345,609 : x
2. Step 2: Convert to fraction form
   19,993,737,844/41,642,345,609 = 41,642,345,609/x
3. Step 3: Cross multiply
   19,993,737,844x = 41,642,345,609 × 41,642,345,609
4. Step 4: Simplify right side
   19,993,737,844x = 1,734,084,947,819,401,576,448
5. Step 5: Solve for x
   x = 1,734,084,947,819,401,576,448/19,993,737,844
6. Step 6: Final answer
   x = 86,731,403,669.96