Finding the Third Proportional to 1,934.86 and 4,239.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.86 : 4,239.42 = 4,239.42 : x
2. Step 2: Convert to fraction form
   1,934.86/4,239.42 = 4,239.42/x
3. Step 3: Cross multiply
   1,934.86x = 4,239.42 × 4,239.42
4. Step 4: Simplify right side
   1,934.86x = 17,972,697.83
5. Step 5: Solve for x
   x = 17,972,697.83/1,934.86
6. Step 6: Final answer
   x = 9,288.89