Finding the Third Proportional to 2,210.63 and 3,321.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.63 : 3,321.38 = 3,321.38 : x
2. Step 2: Convert to fraction form
   2,210.63/3,321.38 = 3,321.38/x
3. Step 3: Cross multiply
   2,210.63x = 3,321.38 × 3,321.38
4. Step 4: Simplify right side
   2,210.63x = 11,031,531.89
5. Step 5: Solve for x
   x = 11,031,531.89/2,210.63
6. Step 6: Final answer
   x = 4,990.23