Finding the Third Proportional to 2,042.25 and 3,142.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.25 : 3,142.88 = 3,142.88 : x
2. Step 2: Convert to fraction form
   2,042.25/3,142.88 = 3,142.88/x
3. Step 3: Cross multiply
   2,042.25x = 3,142.88 × 3,142.88
4. Step 4: Simplify right side
   2,042.25x = 9,877,663.27
5. Step 5: Solve for x
   x = 9,877,663.27/2,042.25
6. Step 6: Final answer
   x = 4,836.66