Finding the Third Proportional to 1,990.38 and 4,337.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.38 : 4,337.38 = 4,337.38 : x
2. Step 2: Convert to fraction form
   1,990.38/4,337.38 = 4,337.38/x
3. Step 3: Cross multiply
   1,990.38x = 4,337.38 × 4,337.38
4. Step 4: Simplify right side
   1,990.38x = 18,812,821.89
5. Step 5: Solve for x
   x = 18,812,821.89/1,990.38
6. Step 6: Final answer
   x = 9,451.90