Finding the Third Proportional to 472.50 and 1,009.55

Step by Step Solution

1. Step 1: Write the proportion equation
   472.50 : 1,009.55 = 1,009.55 : x
2. Step 2: Convert to fraction form
   472.50/1,009.55 = 1,009.55/x
3. Step 3: Cross multiply
   472.50x = 1,009.55 × 1,009.55
4. Step 4: Simplify right side
   472.50x = 1,019,184.89
5. Step 5: Solve for x
   x = 1,019,184.89/472.50
6. Step 6: Final answer
   x = 2,157.01