Finding the Third Proportional to 947.50 and 2,009

Step by Step Solution

1. Step 1: Write the proportion equation
   947.50 : 2,009 = 2,009 : x
2. Step 2: Convert to fraction form
   947.50/2,009 = 2,009/x
3. Step 3: Cross multiply
   947.50x = 2,009 × 2,009
4. Step 4: Simplify right side
   947.50x = 4,036,081
5. Step 5: Solve for x
   x = 4,036,081/947.50
6. Step 6: Final answer
   x = 4,259.72