Finding the Third Proportional to 19,643,766 and 42,855,740

Step by Step Solution

1. Step 1: Write the proportion equation
   19,643,766 : 42,855,740 = 42,855,740 : x
2. Step 2: Convert to fraction form
   19,643,766/42,855,740 = 42,855,740/x
3. Step 3: Cross multiply
   19,643,766x = 42,855,740 × 42,855,740
4. Step 4: Simplify right side
   19,643,766x = 1,836,614,450,947,600
5. Step 5: Solve for x
   x = 1,836,614,450,947,600/19,643,766
6. Step 6: Final answer
   x = 93,496,046.07