Finding the Third Proportional to 456.38 and 999.94

Step by Step Solution

1. Step 1: Write the proportion equation
   456.38 : 999.94 = 999.94 : x
2. Step 2: Convert to fraction form
   456.38/999.94 = 999.94/x
3. Step 3: Cross multiply
   456.38x = 999.94 × 999.94
4. Step 4: Simplify right side
   456.38x = 999,875.00
5. Step 5: Solve for x
   x = 999,875.00/456.38
6. Step 6: Final answer
   x = 2,190.91