Finding the Third Proportional to 1,323.50 and 2,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.50 : 2,907.50 = 2,907.50 : x
2. Step 2: Convert to fraction form
   1,323.50/2,907.50 = 2,907.50/x
3. Step 3: Cross multiply
   1,323.50x = 2,907.50 × 2,907.50
4. Step 4: Simplify right side
   1,323.50x = 8,453,556.25
5. Step 5: Solve for x
   x = 8,453,556.25/1,323.50
6. Step 6: Final answer
   x = 6,387.27