Finding the Third Proportional to 1,997.63 and 4,359.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.63 : 4,359.56 = 4,359.56 : x
2. Step 2: Convert to fraction form
   1,997.63/4,359.56 = 4,359.56/x
3. Step 3: Cross multiply
   1,997.63x = 4,359.56 × 4,359.56
4. Step 4: Simplify right side
   1,997.63x = 19,005,785.19
5. Step 5: Solve for x
   x = 19,005,785.19/1,997.63
6. Step 6: Final answer
   x = 9,514.19