Finding the Third Proportional to 505,844 and 1,058,440

Step by Step Solution

1. Step 1: Write the proportion equation
   505,844 : 1,058,440 = 1,058,440 : x
2. Step 2: Convert to fraction form
   505,844/1,058,440 = 1,058,440/x
3. Step 3: Cross multiply
   505,844x = 1,058,440 × 1,058,440
4. Step 4: Simplify right side
   505,844x = 1,120,295,233,600
5. Step 5: Solve for x
   x = 1,120,295,233,600/505,844
6. Step 6: Final answer
   x = 2,214,705.00