Finding the Third Proportional to 9,042.75 and 21,783.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,042.75 : 21,783.38 = 21,783.38 : x
2. Step 2: Convert to fraction form
   9,042.75/21,783.38 = 21,783.38/x
3. Step 3: Cross multiply
   9,042.75x = 21,783.38 × 21,783.38
4. Step 4: Simplify right side
   9,042.75x = 474,515,426.39
5. Step 5: Solve for x
   x = 474,515,426.39/9,042.75
6. Step 6: Final answer
   x = 52,474.68