Finding the Third Proportional to 253,300.50 and 540,469.50

Step by Step Solution

1. Step 1: Write the proportion equation
   253,300.50 : 540,469.50 = 540,469.50 : x
2. Step 2: Convert to fraction form
   253,300.50/540,469.50 = 540,469.50/x
3. Step 3: Cross multiply
   253,300.50x = 540,469.50 × 540,469.50
4. Step 4: Simplify right side
   253,300.50x = 292,107,280,430.25
5. Step 5: Solve for x
   x = 292,107,280,430.25/253,300.50
6. Step 6: Final answer
   x = 1,153,204.52