Finding the Third Proportional to 20,108 and 42,376

Step by Step Solution

1. Step 1: Write the proportion equation
   20,108 : 42,376 = 42,376 : x
2. Step 2: Convert to fraction form
   20,108/42,376 = 42,376/x
3. Step 3: Cross multiply
   20,108x = 42,376 × 42,376
4. Step 4: Simplify right side
   20,108x = 1,795,725,376
5. Step 5: Solve for x
   x = 1,795,725,376/20,108
6. Step 6: Final answer
   x = 89,304.03