Finding the Third Proportional to 1,621.69 and 2,398.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621.69 : 2,398.22 = 2,398.22 : x
2. Step 2: Convert to fraction form
   1,621.69/2,398.22 = 2,398.22/x
3. Step 3: Cross multiply
   1,621.69x = 2,398.22 × 2,398.22
4. Step 4: Simplify right side
   1,621.69x = 5,751,453.17
5. Step 5: Solve for x
   x = 5,751,453.17/1,621.69
6. Step 6: Final answer
   x = 3,546.59