Finding the Third Proportional to 495,128 and 1,057,072

Step by Step Solution

1. Step 1: Write the proportion equation
   495,128 : 1,057,072 = 1,057,072 : x
2. Step 2: Convert to fraction form
   495,128/1,057,072 = 1,057,072/x
3. Step 3: Cross multiply
   495,128x = 1,057,072 × 1,057,072
4. Step 4: Simplify right side
   495,128x = 1,117,401,213,184
5. Step 5: Solve for x
   x = 1,117,401,213,184/495,128
6. Step 6: Final answer
   x = 2,256,792.61