Finding the Third Proportional to 495,422 and 1,054,780

Step by Step Solution

1. Step 1: Write the proportion equation
   495,422 : 1,054,780 = 1,054,780 : x
2. Step 2: Convert to fraction form
   495,422/1,054,780 = 1,054,780/x
3. Step 3: Cross multiply
   495,422x = 1,054,780 × 1,054,780
4. Step 4: Simplify right side
   495,422x = 1,112,560,848,400
5. Step 5: Solve for x
   x = 1,112,560,848,400/495,422
6. Step 6: Final answer
   x = 2,245,683.17