Finding the Third Proportional to 612.98 and 1,100.67

Step by Step Solution

1. Step 1: Write the proportion equation
   612.98 : 1,100.67 = 1,100.67 : x
2. Step 2: Convert to fraction form
   612.98/1,100.67 = 1,100.67/x
3. Step 3: Cross multiply
   612.98x = 1,100.67 × 1,100.67
4. Step 4: Simplify right side
   612.98x = 1,211,478.58
5. Step 5: Solve for x
   x = 1,211,478.58/612.98
6. Step 6: Final answer
   x = 1,976.36