Finding the Third Proportional to 19,557,897 and 42,481,533

Step by Step Solution

1. Step 1: Write the proportion equation
   19,557,897 : 42,481,533 = 42,481,533 : x
2. Step 2: Convert to fraction form
   19,557,897/42,481,533 = 42,481,533/x
3. Step 3: Cross multiply
   19,557,897x = 42,481,533 × 42,481,533
4. Step 4: Simplify right side
   19,557,897x = 1,804,680,646,030,089
5. Step 5: Solve for x
   x = 1,804,680,646,030,089/19,557,897
6. Step 6: Final answer
   x = 92,273,757.55