Finding the Third Proportional to 143,184 and 204,384

Step by Step Solution

1. Step 1: Write the proportion equation
   143,184 : 204,384 = 204,384 : x
2. Step 2: Convert to fraction form
   143,184/204,384 = 204,384/x
3. Step 3: Cross multiply
   143,184x = 204,384 × 204,384
4. Step 4: Simplify right side
   143,184x = 41,772,819,456
5. Step 5: Solve for x
   x = 41,772,819,456/143,184
6. Step 6: Final answer
   x = 291,742.23