Finding the Third Proportional to 9,414 and 20,078

Step by Step Solution

1. Step 1: Write the proportion equation
   9,414 : 20,078 = 20,078 : x
2. Step 2: Convert to fraction form
   9,414/20,078 = 20,078/x
3. Step 3: Cross multiply
   9,414x = 20,078 × 20,078
4. Step 4: Simplify right side
   9,414x = 403,126,084
5. Step 5: Solve for x
   x = 403,126,084/9,414
6. Step 6: Final answer
   x = 42,821.98