Finding the Third Proportional to 826,434 and 1,276,103

Step by Step Solution

1. Step 1: Write the proportion equation
   826,434 : 1,276,103 = 1,276,103 : x
2. Step 2: Convert to fraction form
   826,434/1,276,103 = 1,276,103/x
3. Step 3: Cross multiply
   826,434x = 1,276,103 × 1,276,103
4. Step 4: Simplify right side
   826,434x = 1,628,438,866,609
5. Step 5: Solve for x
   x = 1,628,438,866,609/826,434
6. Step 6: Final answer
   x = 1,970,440.31