Finding the Third Proportional to 1,719.98 and 3,945.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.98 : 3,945.43 = 3,945.43 : x
2. Step 2: Convert to fraction form
   1,719.98/3,945.43 = 3,945.43/x
3. Step 3: Cross multiply
   1,719.98x = 3,945.43 × 3,945.43
4. Step 4: Simplify right side
   1,719.98x = 15,566,400.01
5. Step 5: Solve for x
   x = 15,566,400.01/1,719.98
6. Step 6: Final answer
   x = 9,050.31