Finding the Third Proportional to 3,644,203 and 7,972,790

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644,203 : 7,972,790 = 7,972,790 : x
2. Step 2: Convert to fraction form
   3,644,203/7,972,790 = 7,972,790/x
3. Step 3: Cross multiply
   3,644,203x = 7,972,790 × 7,972,790
4. Step 4: Simplify right side
   3,644,203x = 63,565,380,384,100
5. Step 5: Solve for x
   x = 63,565,380,384,100/3,644,203
6. Step 6: Final answer
   x = 17,442,875.82