Finding the Third Proportional to 9,142,542 and 19,661,004

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142,542 : 19,661,004 = 19,661,004 : x
2. Step 2: Convert to fraction form
   9,142,542/19,661,004 = 19,661,004/x
3. Step 3: Cross multiply
   9,142,542x = 19,661,004 × 19,661,004
4. Step 4: Simplify right side
   9,142,542x = 386,555,078,288,016
5. Step 5: Solve for x
   x = 386,555,078,288,016/9,142,542
6. Step 6: Final answer
   x = 42,280,919.06