Finding the Third Proportional to 253,856.50 and 540,314

Step by Step Solution

1. Step 1: Write the proportion equation
   253,856.50 : 540,314 = 540,314 : x
2. Step 2: Convert to fraction form
   253,856.50/540,314 = 540,314/x
3. Step 3: Cross multiply
   253,856.50x = 540,314 × 540,314
4. Step 4: Simplify right side
   253,856.50x = 291,939,218,596
5. Step 5: Solve for x
   x = 291,939,218,596/253,856.50
6. Step 6: Final answer
   x = 1,150,016.72