Finding the Third Proportional to 942.05 and 1,931.55

Step by Step Solution

1. Step 1: Write the proportion equation
   942.05 : 1,931.55 = 1,931.55 : x
2. Step 2: Convert to fraction form
   942.05/1,931.55 = 1,931.55/x
3. Step 3: Cross multiply
   942.05x = 1,931.55 × 1,931.55
4. Step 4: Simplify right side
   942.05x = 3,730,903.51
5. Step 5: Solve for x
   x = 3,730,903.51/942.05
6. Step 6: Final answer
   x = 3,960.42