Finding the Third Proportional to 252,105.75 and 542,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   252,105.75 : 542,443.50 = 542,443.50 : x
2. Step 2: Convert to fraction form
   252,105.75/542,443.50 = 542,443.50/x
3. Step 3: Cross multiply
   252,105.75x = 542,443.50 × 542,443.50
4. Step 4: Simplify right side
   252,105.75x = 294,244,950,692.25
5. Step 5: Solve for x
   x = 294,244,950,692.25/252,105.75
6. Step 6: Final answer
   x = 1,167,148.91