Finding the Third Proportional to 576,810 and 1,238,940

Step by Step Solution

1. Step 1: Write the proportion equation
   576,810 : 1,238,940 = 1,238,940 : x
2. Step 2: Convert to fraction form
   576,810/1,238,940 = 1,238,940/x
3. Step 3: Cross multiply
   576,810x = 1,238,940 × 1,238,940
4. Step 4: Simplify right side
   576,810x = 1,534,972,323,600
5. Step 5: Solve for x
   x = 1,534,972,323,600/576,810
6. Step 6: Final answer
   x = 2,661,140.28