Finding the Third Proportional to 262,872 and 574,391.25

Step by Step Solution

1. Step 1: Write the proportion equation
   262,872 : 574,391.25 = 574,391.25 : x
2. Step 2: Convert to fraction form
   262,872/574,391.25 = 574,391.25/x
3. Step 3: Cross multiply
   262,872x = 574,391.25 × 574,391.25
4. Step 4: Simplify right side
   262,872x = 329,925,308,076.56
5. Step 5: Solve for x
   x = 329,925,308,076.56/262,872
6. Step 6: Final answer
   x = 1,255,079.69