Finding the Third Proportional to 227,580 and 495,276

Step by Step Solution

1. Step 1: Write the proportion equation
   227,580 : 495,276 = 495,276 : x
2. Step 2: Convert to fraction form
   227,580/495,276 = 495,276/x
3. Step 3: Cross multiply
   227,580x = 495,276 × 495,276
4. Step 4: Simplify right side
   227,580x = 245,298,316,176
5. Step 5: Solve for x
   x = 245,298,316,176/227,580
6. Step 6: Final answer
   x = 1,077,855.33