Finding the Third Proportional to 3,200.25 and 4,300.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,200.25 : 4,300.88 = 4,300.88 : x
2. Step 2: Convert to fraction form
   3,200.25/4,300.88 = 4,300.88/x
3. Step 3: Cross multiply
   3,200.25x = 4,300.88 × 4,300.88
4. Step 4: Simplify right side
   3,200.25x = 18,497,525.77
5. Step 5: Solve for x
   x = 18,497,525.77/3,200.25
6. Step 6: Final answer
   x = 5,780.03