Finding the Third Proportional to 1,392.50 and 3,002.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392.50 : 3,002.38 = 3,002.38 : x
2. Step 2: Convert to fraction form
   1,392.50/3,002.38 = 3,002.38/x
3. Step 3: Cross multiply
   1,392.50x = 3,002.38 × 3,002.38
4. Step 4: Simplify right side
   1,392.50x = 9,014,279.10
5. Step 5: Solve for x
   x = 9,014,279.10/1,392.50
6. Step 6: Final answer
   x = 6,473.43