Finding the Third Proportional to 1,438.80 and 3,184.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438.80 : 3,184.73 = 3,184.73 : x
2. Step 2: Convert to fraction form
   1,438.80/3,184.73 = 3,184.73/x
3. Step 3: Cross multiply
   1,438.80x = 3,184.73 × 3,184.73
4. Step 4: Simplify right side
   1,438.80x = 10,142,533.04
5. Step 5: Solve for x
   x = 10,142,533.04/1,438.80
6. Step 6: Final answer
   x = 7,049.28