Finding the Third Proportional to 3,259,622 and 7,320,172

Step by Step Solution

1. Step 1: Write the proportion equation
   3,259,622 : 7,320,172 = 7,320,172 : x
2. Step 2: Convert to fraction form
   3,259,622/7,320,172 = 7,320,172/x
3. Step 3: Cross multiply
   3,259,622x = 7,320,172 × 7,320,172
4. Step 4: Simplify right side
   3,259,622x = 53,584,918,109,584
5. Step 5: Solve for x
   x = 53,584,918,109,584/3,259,622
6. Step 6: Final answer
   x = 16,438,997.56