Finding the Third Proportional to 253,300 and 548,766

Step by Step Solution

1. Step 1: Write the proportion equation
   253,300 : 548,766 = 548,766 : x
2. Step 2: Convert to fraction form
   253,300/548,766 = 548,766/x
3. Step 3: Cross multiply
   253,300x = 548,766 × 548,766
4. Step 4: Simplify right side
   253,300x = 301,144,122,756
5. Step 5: Solve for x
   x = 301,144,122,756/253,300
6. Step 6: Final answer
   x = 1,188,883.23