Finding the Third Proportional to 555,016 and 826,380

Step by Step Solution

1. Step 1: Write the proportion equation
   555,016 : 826,380 = 826,380 : x
2. Step 2: Convert to fraction form
   555,016/826,380 = 826,380/x
3. Step 3: Cross multiply
   555,016x = 826,380 × 826,380
4. Step 4: Simplify right side
   555,016x = 682,903,904,400
5. Step 5: Solve for x
   x = 682,903,904,400/555,016
6. Step 6: Final answer
   x = 1,230,422.01