Finding the Third Proportional to 1,165,720 and 1,853,608

Step by Step Solution

1. Step 1: Write the proportion equation
   1,165,720 : 1,853,608 = 1,853,608 : x
2. Step 2: Convert to fraction form
   1,165,720/1,853,608 = 1,853,608/x
3. Step 3: Cross multiply
   1,165,720x = 1,853,608 × 1,853,608
4. Step 4: Simplify right side
   1,165,720x = 3,435,862,617,664
5. Step 5: Solve for x
   x = 3,435,862,617,664/1,165,720
6. Step 6: Final answer
   x = 2,947,416.72