Finding the Third Proportional to 1,317.38 and 1,902.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317.38 : 1,902.94 = 1,902.94 : x
2. Step 2: Convert to fraction form
   1,317.38/1,902.94 = 1,902.94/x
3. Step 3: Cross multiply
   1,317.38x = 1,902.94 × 1,902.94
4. Step 4: Simplify right side
   1,317.38x = 3,621,171.13
5. Step 5: Solve for x
   x = 3,621,171.13/1,317.38
6. Step 6: Final answer
   x = 2,748.78