Finding the Third Proportional to 1,229 and 2,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,229 : 2,013.50 = 2,013.50 : x
2. Step 2: Convert to fraction form
   1,229/2,013.50 = 2,013.50/x
3. Step 3: Cross multiply
   1,229x = 2,013.50 × 2,013.50
4. Step 4: Simplify right side
   1,229x = 4,054,182.25
5. Step 5: Solve for x
   x = 4,054,182.25/1,229
6. Step 6: Final answer
   x = 3,298.77