Finding the Third Proportional to 19,557,891 and 42,481,521

Step by Step Solution

1. Step 1: Write the proportion equation
   19,557,891 : 42,481,521 = 42,481,521 : x
2. Step 2: Convert to fraction form
   19,557,891/42,481,521 = 42,481,521/x
3. Step 3: Cross multiply
   19,557,891x = 42,481,521 × 42,481,521
4. Step 4: Simplify right side
   19,557,891x = 1,804,679,626,473,441
5. Step 5: Solve for x
   x = 1,804,679,626,473,441/19,557,891
6. Step 6: Final answer
   x = 92,273,733.73