Finding the Third Proportional to 9,042.88 and 19,836.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,042.88 : 19,836.50 = 19,836.50 : x
2. Step 2: Convert to fraction form
   9,042.88/19,836.50 = 19,836.50/x
3. Step 3: Cross multiply
   9,042.88x = 19,836.50 × 19,836.50
4. Step 4: Simplify right side
   9,042.88x = 393,486,732.25
5. Step 5: Solve for x
   x = 393,486,732.25/9,042.88
6. Step 6: Final answer
   x = 43,513.45