Finding the Third Proportional to 9,078.33 and 19,590.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078.33 : 19,590.61 = 19,590.61 : x
2. Step 2: Convert to fraction form
   9,078.33/19,590.61 = 19,590.61/x
3. Step 3: Cross multiply
   9,078.33x = 19,590.61 × 19,590.61
4. Step 4: Simplify right side
   9,078.33x = 383,791,975.68
5. Step 5: Solve for x
   x = 383,791,975.68/9,078.33
6. Step 6: Final answer
   x = 42,275.62