Finding the Third Proportional to 19,204.59 and 41,678.30

Step by Step Solution

1. Step 1: Write the proportion equation
   19,204.59 : 41,678.30 = 41,678.30 : x
2. Step 2: Convert to fraction form
   19,204.59/41,678.30 = 41,678.30/x
3. Step 3: Cross multiply
   19,204.59x = 41,678.30 × 41,678.30
4. Step 4: Simplify right side
   19,204.59x = 1,737,080,430.40
5. Step 5: Solve for x
   x = 1,737,080,430.40/19,204.59
6. Step 6: Final answer
   x = 90,451.30