Finding the Third Proportional to 1,927.55 and 4,310.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927.55 : 4,310.72 = 4,310.72 : x
2. Step 2: Convert to fraction form
   1,927.55/4,310.72 = 4,310.72/x
3. Step 3: Cross multiply
   1,927.55x = 4,310.72 × 4,310.72
4. Step 4: Simplify right side
   1,927.55x = 18,582,296.14
5. Step 5: Solve for x
   x = 18,582,296.14/1,927.55
6. Step 6: Final answer
   x = 9,640.39