Finding the Third Proportional to 4,242.38 and 8,089.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,242.38 : 8,089.88 = 8,089.88 : x
2. Step 2: Convert to fraction form
   4,242.38/8,089.88 = 8,089.88/x
3. Step 3: Cross multiply
   4,242.38x = 8,089.88 × 8,089.88
4. Step 4: Simplify right side
   4,242.38x = 65,446,077.52
5. Step 5: Solve for x
   x = 65,446,077.52/4,242.38
6. Step 6: Final answer
   x = 15,426.75