Finding the Third Proportional to 9,142,556 and 19,661,032

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142,556 : 19,661,032 = 19,661,032 : x
2. Step 2: Convert to fraction form
   9,142,556/19,661,032 = 19,661,032/x
3. Step 3: Cross multiply
   9,142,556x = 19,661,032 × 19,661,032
4. Step 4: Simplify right side
   9,142,556x = 386,556,179,305,024
5. Step 5: Solve for x
   x = 386,556,179,305,024/9,142,556
6. Step 6: Final answer
   x = 42,280,974.74