Finding the Third Proportional to 251,815.50 and 540,900

Step by Step Solution

1. Step 1: Write the proportion equation
   251,815.50 : 540,900 = 540,900 : x
2. Step 2: Convert to fraction form
   251,815.50/540,900 = 540,900/x
3. Step 3: Cross multiply
   251,815.50x = 540,900 × 540,900
4. Step 4: Simplify right side
   251,815.50x = 292,572,810,000
5. Step 5: Solve for x
   x = 292,572,810,000/251,815.50
6. Step 6: Final answer
   x = 1,161,853.86