Finding the Third Proportional to 228,478 and 495,088

Step by Step Solution

1. Step 1: Write the proportion equation
   228,478 : 495,088 = 495,088 : x
2. Step 2: Convert to fraction form
   228,478/495,088 = 495,088/x
3. Step 3: Cross multiply
   228,478x = 495,088 × 495,088
4. Step 4: Simplify right side
   228,478x = 245,112,127,744
5. Step 5: Solve for x
   x = 245,112,127,744/228,478
6. Step 6: Final answer
   x = 1,072,804.07