Finding the Third Proportional to 105,567 and 215,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,567 : 215,425.50 = 215,425.50 : x
2. Step 2: Convert to fraction form
   105,567/215,425.50 = 215,425.50/x
3. Step 3: Cross multiply
   105,567x = 215,425.50 × 215,425.50
4. Step 4: Simplify right side
   105,567x = 46,408,146,050.25
5. Step 5: Solve for x
   x = 46,408,146,050.25/105,567
6. Step 6: Final answer
   x = 439,608.46