Finding the Third Proportional to 559,794 and 842,499

Step by Step Solution

1. Step 1: Write the proportion equation
   559,794 : 842,499 = 842,499 : x
2. Step 2: Convert to fraction form
   559,794/842,499 = 842,499/x
3. Step 3: Cross multiply
   559,794x = 842,499 × 842,499
4. Step 4: Simplify right side
   559,794x = 709,804,565,001
5. Step 5: Solve for x
   x = 709,804,565,001/559,794
6. Step 6: Final answer
   x = 1,267,974.59