Finding the Third Proportional to 681,888 and 1,058,736

Step by Step Solution

1. Step 1: Write the proportion equation
   681,888 : 1,058,736 = 1,058,736 : x
2. Step 2: Convert to fraction form
   681,888/1,058,736 = 1,058,736/x
3. Step 3: Cross multiply
   681,888x = 1,058,736 × 1,058,736
4. Step 4: Simplify right side
   681,888x = 1,120,921,917,696
5. Step 5: Solve for x
   x = 1,120,921,917,696/681,888
6. Step 6: Final answer
   x = 1,643,850.48