Finding the Third Proportional to 473 and 1,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   473 : 1,017.50 = 1,017.50 : x
2. Step 2: Convert to fraction form
   473/1,017.50 = 1,017.50/x
3. Step 3: Cross multiply
   473x = 1,017.50 × 1,017.50
4. Step 4: Simplify right side
   473x = 1,035,306.25
5. Step 5: Solve for x
   x = 1,035,306.25/473
6. Step 6: Final answer
   x = 2,188.81