Finding the Third Proportional to 458.72 and 938.67

Step by Step Solution

1. Step 1: Write the proportion equation
   458.72 : 938.67 = 938.67 : x
2. Step 2: Convert to fraction form
   458.72/938.67 = 938.67/x
3. Step 3: Cross multiply
   458.72x = 938.67 × 938.67
4. Step 4: Simplify right side
   458.72x = 881,104.89
5. Step 5: Solve for x
   x = 881,104.89/458.72
6. Step 6: Final answer
   x = 1,920.80