Finding the Third Proportional to 2,200.50 and 4,781.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.50 : 4,781.25 = 4,781.25 : x
2. Step 2: Convert to fraction form
   2,200.50/4,781.25 = 4,781.25/x
3. Step 3: Cross multiply
   2,200.50x = 4,781.25 × 4,781.25
4. Step 4: Simplify right side
   2,200.50x = 22,860,351.56
5. Step 5: Solve for x
   x = 22,860,351.56/2,200.50
6. Step 6: Final answer
   x = 10,388.71