Finding the Third Proportional to 814.88 and 900.38

Step by Step Solution

1. Step 1: Write the proportion equation
   814.88 : 900.38 = 900.38 : x
2. Step 2: Convert to fraction form
   814.88/900.38 = 900.38/x
3. Step 3: Cross multiply
   814.88x = 900.38 × 900.38
4. Step 4: Simplify right side
   814.88x = 810,675.14
5. Step 5: Solve for x
   x = 810,675.14/814.88
6. Step 6: Final answer
   x = 994.85