Finding the Third Proportional to 272,184 and 408,548.25

Step by Step Solution

1. Step 1: Write the proportion equation
   272,184 : 408,548.25 = 408,548.25 : x
2. Step 2: Convert to fraction form
   272,184/408,548.25 = 408,548.25/x
3. Step 3: Cross multiply
   272,184x = 408,548.25 × 408,548.25
4. Step 4: Simplify right side
   272,184x = 166,911,672,578.06
5. Step 5: Solve for x
   x = 166,911,672,578.06/272,184
6. Step 6: Final answer
   x = 613,231.02