Finding the Third Proportional to 943.31 and 2,015.72

Step by Step Solution

1. Step 1: Write the proportion equation
   943.31 : 2,015.72 = 2,015.72 : x
2. Step 2: Convert to fraction form
   943.31/2,015.72 = 2,015.72/x
3. Step 3: Cross multiply
   943.31x = 2,015.72 × 2,015.72
4. Step 4: Simplify right side
   943.31x = 4,063,122.08
5. Step 5: Solve for x
   x = 4,063,122.08/943.31
6. Step 6: Final answer
   x = 4,307.29