Finding the Third Proportional to 1,688.34 and 2,671.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688.34 : 2,671.03 = 2,671.03 : x
2. Step 2: Convert to fraction form
   1,688.34/2,671.03 = 2,671.03/x
3. Step 3: Cross multiply
   1,688.34x = 2,671.03 × 2,671.03
4. Step 4: Simplify right side
   1,688.34x = 7,134,407.94
5. Step 5: Solve for x
   x = 7,134,407.94/1,688.34
6. Step 6: Final answer
   x = 4,225.68