Finding the Third Proportional to 1,742.63 and 3,873.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.63 : 3,873.38 = 3,873.38 : x
2. Step 2: Convert to fraction form
   1,742.63/3,873.38 = 3,873.38/x
3. Step 3: Cross multiply
   1,742.63x = 3,873.38 × 3,873.38
4. Step 4: Simplify right side
   1,742.63x = 15,003,033.89
5. Step 5: Solve for x
   x = 15,003,033.89/1,742.63
6. Step 6: Final answer
   x = 8,609.44