Finding the Third Proportional to 994 and 2,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   994 : 2,118.50 = 2,118.50 : x
2. Step 2: Convert to fraction form
   994/2,118.50 = 2,118.50/x
3. Step 3: Cross multiply
   994x = 2,118.50 × 2,118.50
4. Step 4: Simplify right side
   994x = 4,488,042.25
5. Step 5: Solve for x
   x = 4,488,042.25/994
6. Step 6: Final answer
   x = 4,515.13