Finding the Third Proportional to 1,666 and 2,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666 : 2,287.50 = 2,287.50 : x
2. Step 2: Convert to fraction form
   1,666/2,287.50 = 2,287.50/x
3. Step 3: Cross multiply
   1,666x = 2,287.50 × 2,287.50
4. Step 4: Simplify right side
   1,666x = 5,232,656.25
5. Step 5: Solve for x
   x = 5,232,656.25/1,666
6. Step 6: Final answer
   x = 3,140.85