Finding the Third Proportional to 1,673.34 and 3,478.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.34 : 3,478.31 = 3,478.31 : x
2. Step 2: Convert to fraction form
   1,673.34/3,478.31 = 3,478.31/x
3. Step 3: Cross multiply
   1,673.34x = 3,478.31 × 3,478.31
4. Step 4: Simplify right side
   1,673.34x = 12,098,657.85
5. Step 5: Solve for x
   x = 12,098,657.85/1,673.34
6. Step 6: Final answer
   x = 7,230.23