Finding the Third Proportional to 262,391.63 and 548,085.38

Step by Step Solution

1. Step 1: Write the proportion equation
   262,391.63 : 548,085.38 = 548,085.38 : x
2. Step 2: Convert to fraction form
   262,391.63/548,085.38 = 548,085.38/x
3. Step 3: Cross multiply
   262,391.63x = 548,085.38 × 548,085.38
4. Step 4: Simplify right side
   262,391.63x = 300,397,578,288.89
5. Step 5: Solve for x
   x = 300,397,578,288.89/262,391.63
6. Step 6: Final answer
   x = 1,144,844.38