Finding the Third Proportional to 1,275.75 and 1,930.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,275.75 : 1,930.71 = 1,930.71 : x
2. Step 2: Convert to fraction form
   1,275.75/1,930.71 = 1,930.71/x
3. Step 3: Cross multiply
   1,275.75x = 1,930.71 × 1,930.71
4. Step 4: Simplify right side
   1,275.75x = 3,727,644.72
5. Step 5: Solve for x
   x = 3,727,644.72/1,275.75
6. Step 6: Final answer
   x = 2,921.92