Finding the Third Proportional to 3,300.75 and 7,888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.75 : 7,888.50 = 7,888.50 : x
2. Step 2: Convert to fraction form
   3,300.75/7,888.50 = 7,888.50/x
3. Step 3: Cross multiply
   3,300.75x = 7,888.50 × 7,888.50
4. Step 4: Simplify right side
   3,300.75x = 62,228,432.25
5. Step 5: Solve for x
   x = 62,228,432.25/3,300.75
6. Step 6: Final answer
   x = 18,852.82