Finding the Third Proportional to 865,800 and 1,179,468

Step by Step Solution

1. Step 1: Write the proportion equation
   865,800 : 1,179,468 = 1,179,468 : x
2. Step 2: Convert to fraction form
   865,800/1,179,468 = 1,179,468/x
3. Step 3: Cross multiply
   865,800x = 1,179,468 × 1,179,468
4. Step 4: Simplify right side
   865,800x = 1,391,144,763,024
5. Step 5: Solve for x
   x = 1,391,144,763,024/865,800
6. Step 6: Final answer
   x = 1,606,773.81