Finding the Third Proportional to 9,142,544 and 19,661,008

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142,544 : 19,661,008 = 19,661,008 : x
2. Step 2: Convert to fraction form
   9,142,544/19,661,008 = 19,661,008/x
3. Step 3: Cross multiply
   9,142,544x = 19,661,008 × 19,661,008
4. Step 4: Simplify right side
   9,142,544x = 386,555,235,576,064
5. Step 5: Solve for x
   x = 386,555,235,576,064/9,142,544
6. Step 6: Final answer
   x = 42,280,927.01