Finding the Third Proportional to 3,644,201 and 7,972,786

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644,201 : 7,972,786 = 7,972,786 : x
2. Step 2: Convert to fraction form
   3,644,201/7,972,786 = 7,972,786/x
3. Step 3: Cross multiply
   3,644,201x = 7,972,786 × 7,972,786
4. Step 4: Simplify right side
   3,644,201x = 63,565,316,601,796
5. Step 5: Solve for x
   x = 63,565,316,601,796/3,644,201
6. Step 6: Final answer
   x = 17,442,867.89