Finding the Third Proportional to 272,182.50 and 408,546

Step by Step Solution

1. Step 1: Write the proportion equation
   272,182.50 : 408,546 = 408,546 : x
2. Step 2: Convert to fraction form
   272,182.50/408,546 = 408,546/x
3. Step 3: Cross multiply
   272,182.50x = 408,546 × 408,546
4. Step 4: Simplify right side
   272,182.50x = 166,909,834,116
5. Step 5: Solve for x
   x = 166,909,834,116/272,182.50
6. Step 6: Final answer
   x = 613,227.65