Finding the Third Proportional to 272,380 and 450,150

Step by Step Solution

1. Step 1: Write the proportion equation
   272,380 : 450,150 = 450,150 : x
2. Step 2: Convert to fraction form
   272,380/450,150 = 450,150/x
3. Step 3: Cross multiply
   272,380x = 450,150 × 450,150
4. Step 4: Simplify right side
   272,380x = 202,635,022,500
5. Step 5: Solve for x
   x = 202,635,022,500/272,380
6. Step 6: Final answer
   x = 743,942.37