Finding the Third Proportional to 495,440 and 1,054,816

Step by Step Solution

1. Step 1: Write the proportion equation
   495,440 : 1,054,816 = 1,054,816 : x
2. Step 2: Convert to fraction form
   495,440/1,054,816 = 1,054,816/x
3. Step 3: Cross multiply
   495,440x = 1,054,816 × 1,054,816
4. Step 4: Simplify right side
   495,440x = 1,112,636,793,856
5. Step 5: Solve for x
   x = 1,112,636,793,856/495,440
6. Step 6: Final answer
   x = 2,245,754.87