Finding the Third Proportional to 1,993.50 and 4,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.50 : 4,387.50 = 4,387.50 : x
2. Step 2: Convert to fraction form
   1,993.50/4,387.50 = 4,387.50/x
3. Step 3: Cross multiply
   1,993.50x = 4,387.50 × 4,387.50
4. Step 4: Simplify right side
   1,993.50x = 19,250,156.25
5. Step 5: Solve for x
   x = 19,250,156.25/1,993.50
6. Step 6: Final answer
   x = 9,656.46