Finding the Third Proportional to 253,859.50 and 540,320

Step by Step Solution

1. Step 1: Write the proportion equation
   253,859.50 : 540,320 = 540,320 : x
2. Step 2: Convert to fraction form
   253,859.50/540,320 = 540,320/x
3. Step 3: Cross multiply
   253,859.50x = 540,320 × 540,320
4. Step 4: Simplify right side
   253,859.50x = 291,945,702,400
5. Step 5: Solve for x
   x = 291,945,702,400/253,859.50
6. Step 6: Final answer
   x = 1,150,028.67