Finding the Third Proportional to 1,210 and 1,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210 : 1,630.50 = 1,630.50 : x
2. Step 2: Convert to fraction form
   1,210/1,630.50 = 1,630.50/x
3. Step 3: Cross multiply
   1,210x = 1,630.50 × 1,630.50
4. Step 4: Simplify right side
   1,210x = 2,658,530.25
5. Step 5: Solve for x
   x = 2,658,530.25/1,210
6. Step 6: Final answer
   x = 2,197.13