Finding the Third Proportional to 552.50 and 981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   552.50 : 981.50 = 981.50 : x
2. Step 2: Convert to fraction form
   552.50/981.50 = 981.50/x
3. Step 3: Cross multiply
   552.50x = 981.50 × 981.50
4. Step 4: Simplify right side
   552.50x = 963,342.25
5. Step 5: Solve for x
   x = 963,342.25/552.50
6. Step 6: Final answer
   x = 1,743.61