Finding the Third Proportional to 272,325 and 414,247.50

Step by Step Solution

1. Step 1: Write the proportion equation
   272,325 : 414,247.50 = 414,247.50 : x
2. Step 2: Convert to fraction form
   272,325/414,247.50 = 414,247.50/x
3. Step 3: Cross multiply
   272,325x = 414,247.50 × 414,247.50
4. Step 4: Simplify right side
   272,325x = 171,600,991,256.25
5. Step 5: Solve for x
   x = 171,600,991,256.25/272,325
6. Step 6: Final answer
   x = 630,133.08